ECC AND REGISTERED MEMORY PRICE TRACKER
Compare current ECC server RAM prices across DDR4 and DDR5 ECC UDIMM, RDIMM and LRDIMM products. The table separates memory type, capacity, speed and kit configuration.
Quick answer
ECC UDIMM, RDIMM and LRDIMM are not interchangeable. The server or workstation platform determines the required generation and buffering type. Compare prices only after confirming the exact memory architecture, supported capacity and approved part specifications.
RAM price comparison
ECC Server RAM Prices
| Product | Memory spec | Capacity / kit | Last verified price | Price/GB | Amazon |
|---|---|---|---|---|---|
 NEMIX RAM 128GB (1X128GB) DDR4 2666MHZ PC4-21300 8Rx4 1.2V CL19 288-PIN ECC LRDIMM Compatible with Dell SNPHVY68C/128G AA664973 Load Reduced Server MemoryNEMIX RAM · SNPHVY68C/128G · New | DDR4 · RDIMM · LRDIMM · ECC2666 MT/s · 14.25 ns | 128GB1 × 128GB · JEDEC / Unspecified | $480.00Verified Sep 1, 2026 | $3.75per GB | Buy on Amazon |
 A-Tech 128GB Kit (2x64GB) DDR4 3200MHz PC4-25600 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT64G2D4D3200RD4N12V · New | DDR4 · RDIMM · LRDIMM3200 MT/s · — | 128GB2 × 64GB · JEDEC / Unspecified | $512.19Verified Sep 14, 2026 | $4.00per GB | Buy on Amazon |
 Hynix HMA84GR7MFR4N-TF 32GB DDR4-2133 ECC/Reg CL15 Hynix Chip Server MemorySK Hynix · HMA84GR7MFR4N-TF · New | DDR4 · UDIMM · ECC2133 MT/s · 14.07 ns | 32GB1 × 32GB · JEDEC / Unspecified | $139.00Verified Sep 13, 2026 | $4.34per GB | Buy on Amazon |
 Simmtec 64GB (2x32GB) DDR4 2133MHz ECC Registered RDIMM Server Memory Kit – PC4-17000 2Rx4 288-Pin 1.2V – Compatible with Enterprise Servers – High Performance Server RAM UpgradeSimmtec Incorporated Memory is Our Business · New | DDR4 · RDIMM · ECC2133 MT/s · 17.82 ns | 64GB2 × 32GB · JEDEC / Unspecified | $279.00Verified Sep 14, 2026 | $4.36per GB | Buy on Amazon |
 Samsung 32GB DDR4 2400MHz PC4-19200 ECC RDIMM 2Rx4 Dual Rank 1.2V Registered DIMM 288-Pin Server RAM Memory M393A4K40CB1-CRCSamsung · M393A4K40CB1-CRC · New | DDR4 · RDIMM · ECC2400 MT/s · — | 32GB1 × 32GB · JEDEC / Unspecified | $142.97Verified Aug 27, 2026 | $4.47per GB | Buy on Amazon |
 NEMIX RAM 128GB (2X64GB) DDR4 2400MHz PC4-19200 4Rx4 1.2V CL17 288-PIN ECC LRDIMM Load Reduced Server Memory KITNEMIX RAM · ML19200-944K02-G · New | DDR4 · RDIMM · LRDIMM · ECC2400 MT/s · 14.17 ns | 128GB2 × 64GB · JEDEC / Unspecified | $577.49Verified Sep 14, 2026 | $4.51per GB | Buy on Amazon |
 NEMIX RAM 128GB (2X64GB) DDR4 2133MHz PC4-17000 4Rx4 1.2V 288-PIN ECC LRDIMM Load Reduced Server Memory KITNEMIX RAM · ML17000-944K02-G · New | DDR4 · RDIMM · LRDIMM · ECC2133 MT/s · — | 128GB2 × 64GB · JEDEC / Unspecified | $577.49Verified Sep 14, 2026 | $4.51per GB | Buy on Amazon |
 A-Tech 128GB Kit (2x64GB) DDR4 2400MHz PC4-19200 ECC LRDIMM 4Rx4 (4DRx4) Quad Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT64G2D4D2400LQ4N12V · New | DDR4 · RDIMM · LRDIMM2400 MT/s · — | 128GB2 × 64GB · JEDEC / Unspecified | $577.96Verified Aug 30, 2026 | $4.52per GB | Buy on Amazon |
 NEMIX RAM 128GB (2X64GB) DDR4 2666MHZ PC4-21300 4Rx4 1.2V CL19 288-PIN ECC LRDIMM Load Reduced Server Memory KIT Compatible with Dell EMC PowerEdge R7425 ServerNEMIX RAM · New | DDR4 · RDIMM · LRDIMM · ECC2666 MT/s · 14.25 ns | 128GB2 × 64GB · JEDEC / Unspecified | $595.00Verified Aug 31, 2026 | $4.65per GB | Buy on Amazon |
 A-Tech 32GB RAM Replacement for Samsung M393A4K40BB0-CPB | DDR4 2133MHz PC4-17000 2Rx4 1.2V ECC RDIMM Registered 288-Pin DIMM Memory ModuleA-Tech · M393A4K40BB0-CPB-ATC · New | DDR4 · RDIMM · ECC2133 MT/s · — | 32GB1 × 32GB · JEDEC / Unspecified | $150.65Verified Aug 6, 2026 | $4.71per GB | Buy on Amazon |
 A-Tech 128GB ECC-LRDIMMMemory Kit for SuperMicro X10DRi, X10DRi-T - (4 x 32GB) DDR4 2400MHz PC4-19200 ECC Load Reduced DIMM Quad Rank 4Rx4 RAM Upgrade ModulesA-Tech · New | DDR4 · RDIMM · LRDIMM · ECC2400 MT/s · — | 128GB4 × 32GB · JEDEC / Unspecified | $604.92Verified Sep 7, 2026 | $4.73per GB | Buy on Amazon |
 A-Tech 128GB Kit (4x32GB) RAM for HP Z840 | DDR4 2400MHz PC4-19200 ECC LRDIMM 2Rx4 Load Reduced Server Memory UpgradeA-Tech · ARW143 · New | DDR4 · RDIMM · LRDIMM · ECC2400 MT/s · — | 128GB4 × 32GB · JEDEC / Unspecified | $604.92Verified Sep 3, 2026 | $4.73per GB | Buy on Amazon |
 A-Tech 128GB Kit (2 x 64GB) for HP ProLiant DL380 Gen9 G9 - DDR4 PC4-21300 2666Mhz ECC Load Reduced LRDIMM 4Rx4 - Server Specific Memory Ram (AT322623SRV-X2L2)A-Tech · AT322623SRV-X2L2 · New | DDR4 · RDIMM · LRDIMM · ECC2666 MT/s · — | 128GB2 × 64GB · JEDEC / Unspecified | $619.00Verified Aug 21, 2026 | $4.84per GB | Buy on Amazon |
A-Tech 128GB Kit (2 x 64GB) for HP ProLiant DL360 Gen10 G10 - DDR4 PC4-21300 2666Mhz ECC Load Reduced LRDIMM 4Rx4 - Server Specific Memory Ram (AT322600SRV-X2L2)A-Tech · AT322600SRV-X2L2 · New | DDR4 · RDIMM · LRDIMM · ECC2666 MT/s · — | 128GB2 × 64GB · JEDEC / Unspecified | $619.00Verified Aug 23, 2026 | $4.84per GB | Buy on Amazon |
 A-Tech 128GB Kit (2x64GB) RAM for Dell PowerEdge C4130, C6320p, FC630, R730, T630 | DDR4 2400MHz PC4-19200 ECC LRDIMM 4Rx4 Load Reduced Server Memory UpgradeA-Tech · ASO833 · New | DDR4 · RDIMM · LRDIMM · ECC2400 MT/s · — | 128GB2 × 64GB · JEDEC / Unspecified | $619.23Verified Aug 30, 2026 | $4.84per GB | Buy on Amazon |
 A-Tech 128GB (2x64GB) Memory for Dell PowerEdge R440, T440, R540, R640, T640, M640, FC640, R740, R740XD, R940, C6420 | DDR4 2400MHz ECC LRDIMM PC4-19200 4Rx4 1.2V 288-Pin DIMM Server RAM Upgrade KitA-Tech · New | DDR4 · RDIMM · LRDIMM · ECC2400 MT/s · — | 128GB2 × 64GB · JEDEC / Unspecified | $619.23Verified Aug 30, 2026 | $4.84per GB | Buy on Amazon |
 A-Tech 128GB Kit (2x64GB) DDR4 2666MHz PC4-21300 ECC LRDIMM 4Rx4 (4DRx4) Quad Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT64G2D4D2666LQ4N12V · New | DDR4 · RDIMM · LRDIMM2666 MT/s · — | 128GB2 × 64GB · JEDEC / Unspecified | $620.03Verified Aug 27, 2026 | $4.84per GB | Buy on Amazon |
 NEMIX RAM 128GB (2X64GB) DDR4 2666MHZ PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with ASRock Rack ROMED8-2T AMD EPYC Series MotherboardNEMIX RAM · 0759170876723 · New | DDR4 · RDIMM · ECC2666 MT/s · 14.25 ns | 128GB2 × 64GB · JEDEC / Unspecified | $628.88Verified Aug 19, 2026 | $4.91per GB | Buy on Amazon |
 A-Tech 32GB DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Module (A-Tech Enterprise Series)A-Tech · AT32G1D4D2133RD4N12V · New | DDR4 · RDIMM · LRDIMM2133 MT/s · — | 32GB1 × 32GB · JEDEC / Unspecified | $157.82Verified Aug 25, 2026 | $4.93per GB | Buy on Amazon |
 A-Tech 32GB DDR4 2400MHz PC4-19200 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Module (A-Tech Enterprise Series)A-Tech · AT32G1D4D2400RD4N12V · New | DDR4 · RDIMM · LRDIMM2400 MT/s · — | 32GB1 × 32GB · JEDEC / Unspecified | $157.84Verified Aug 6, 2026 | $4.93per GB | Buy on Amazon |
 A-Tech 256GB Kit (8x32GB) DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT32G8D4D2666RD4N12V · New | DDR4 · RDIMM · LRDIMM2666 MT/s · — | 256GB8 × 32GB · JEDEC / Unspecified | $1,284.23Verified Aug 4, 2026 | $5.02per GB | Buy on Amazon |
 A-Tech 128GB Kit (4x32GB) RAM for Dell PowerEdge M640, R430, R440, R640, R730, R740, T430, T440, T630 | DDR4 2133MHz PC4-17000 ECC LRDIMM 4Rx4 Load Reduced Server Memory UpgradeA-Tech · ASQ249 · New | DDR4 · RDIMM · LRDIMM · ECC2133 MT/s · — | 128GB4 × 32GB · JEDEC / Unspecified | $644.09Verified Sep 4, 2026 | $5.03per GB | Buy on Amazon |
 Kingston Technology 64GB RAM Kit (4x16GB) 2133MHz DDR4 ECC Reg CL15 DIMM DR x 4 with TS Server Memory (KVR21R15D4K4/64)Kingston · KVR21R15D4K4/64 · New | DDR4 · RDIMM · ECC2133 MT/s · 14.07 ns | 64GB4 × 16GB · JEDEC / Unspecified | $328.99Verified Sep 5, 2026 | $5.14per GB | Buy on Amazon |
NEMIX RAM 128GB (2X64GB) DDR4 2666MHz PC4-21300 4Rx4 1.2V CL19 288-PIN ECC LRDIMM Load Reduced Server Memory KITNEMIX RAM · ML21300-944K02-G · New | DDR4 · RDIMM · LRDIMM · ECC2666 MT/s · 14.25 ns | 128GB2 × 64GB · JEDEC / Unspecified | $659.49Verified Sep 14, 2026 | $5.15per GB | Buy on Amazon |
NEMIX RAM 128GB (2X64GB) DDR4 2666MHZ PC4-21300 4Rx4 1.2V CL19 288-PIN ECC LRDIMM Load Reduced Server Memory KIT Compatible with Apple iMac Pro 2017-2021 iMacPro1,1NEMIX RAM · ML21300-944K2-NMA01 · New | DDR4 · RDIMM · LRDIMM · ECC2666 MT/s · 14.25 ns | 128GB2 × 64GB · JEDEC / Unspecified | $659.49Verified Sep 14, 2026 | $5.15per GB | Buy on Amazon |
NEMIX RAM 128GB (2X64GB) DDR4 2666MHZ PC4-21300 4Rx4 1.2V CL19 288-PIN ECC LRDIMM Load Reduced Server Memory KIT Compatible with Apple Mac Pro 2020 7,1 Rack ComputerNEMIX RAM · ML21300-944K02-AMPR2020 · New | DDR4 · RDIMM · LRDIMM · ECC2666 MT/s · 14.25 ns | 128GB2 × 64GB · JEDEC / Unspecified | $659.49Verified Sep 2, 2026 | $5.15per GB | Buy on Amazon |
 A-Tech 128GB Kit (4x32GB) Memory RAM for Dell PowerEdge R630 - DDR4 2133MHz PC4-17000 ECC Load Reduced LRDIMM 4DRx4 (4Rx4) 1.2V - ServerA-Tech · AQR166 · New | DDR4 · RDIMM · LRDIMM2133 MT/s · — | 128GB4 × 32GB · JEDEC / Unspecified | $670.93Verified Sep 8, 2026 | $5.24per GB | Buy on Amazon |
 A-Tech 128GB Kit (4x32GB) DDR4 2400MHz PC4-19200 ECC LRDIMM 2Rx4 Dual Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT32G4D4D2400LD4N12V · New | DDR4 · RDIMM · LRDIMM2400 MT/s · — | 128GB4 × 32GB · JEDEC / Unspecified | $677.51Verified Sep 11, 2026 | $5.29per GB | Buy on Amazon |
A-Tech 128GB Kit (4x32GB) RAM for Dell PowerEdge C4130, C6320, FC430, R630XL, R640, R730xd XL, R730XL, R740xd, R840, R940 | DDR4 2400MHz PC4-19200 ECC LRDIMM 2Rx4 Load Reduced Server Memory UpgradeA-Tech · ASQ179 · New | DDR4 · RDIMM · LRDIMM · ECC2400 MT/s · — | 128GB4 × 32GB · JEDEC / Unspecified | $677.51Verified Sep 14, 2026 | $5.29per GB | Buy on Amazon |
A-Tech 128GB Kit (4x32GB) DDR4 2133MHz PC4-17000 ECC LRDIMM 4Rx4 Quad Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT32G4D4D2133LQ4N12V · New | DDR4 · RDIMM · LRDIMM2133 MT/s · — | 128GB4 × 32GB · JEDEC / Unspecified | $678.97Verified Sep 14, 2026 | $5.30per GB | Buy on Amazon |
 A-Tech 64GB Kit (2x32GB) DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT32G2D4D2133RD4N12V · New | DDR4 · RDIMM · LRDIMM2133 MT/s · — | 64GB2 × 32GB · JEDEC / Unspecified | $347.17Verified Sep 8, 2026 | $5.43per GB | Buy on Amazon |
 A-Tech 128GB Kit (4x32GB) DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT32G4D4D2133RD4N12V · New | DDR4 · RDIMM · LRDIMM2133 MT/s · — | 128GB4 × 32GB · JEDEC / Unspecified | $694.36Verified Sep 7, 2026 | $5.43per GB | Buy on Amazon |
 A-Tech 64GB Kit (4x16GB) DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT16G4D4D2133RD4N12V · New | DDR4 · RDIMM · LRDIMM2133 MT/s · — | 64GB4 × 16GB · JEDEC / Unspecified | $347.89Verified Sep 10, 2026 | $5.44per GB | Buy on Amazon |
 A-Tech 128GB Kit (8x16GB) DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT16G8D4D2133RD4N12V · New | DDR4 · RDIMM · LRDIMM2133 MT/s · — | 128GB8 × 16GB · JEDEC / Unspecified | $695.80Verified Sep 14, 2026 | $5.44per GB | Buy on Amazon |
 A-Tech 128GB Kit (2x64GB) DDR4 2133MHz PC4-17000 ECC LRDIMM 4Rx4 (4DRx4) Quad Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT64G2D4D2133LQ4N12V · New | DDR4 · RDIMM · LRDIMM2133 MT/s · — | 128GB2 × 64GB · JEDEC / Unspecified | $700.94Verified Sep 14, 2026 | $5.48per GB | Buy on Amazon |
 A-Tech 128GB Kit (2x64GB) RAM for ASRock Rack ROMED8-2T | DDR4 2133MHz PC4-17000 ECC LRDIMM 4Rx4 Load Reduced Server Memory UpgradeA-Tech · ARW620 · New | DDR4 · RDIMM · LRDIMM · ECC2133 MT/s · — | 128GB2 × 64GB · JEDEC / Unspecified | $700.94Verified Sep 14, 2026 | $5.48per GB | Buy on Amazon |
 CT32G4RFD4266 32GB DDR4 2666 RDIMM ECC REG 2Rx4 CL19 PC4-21300 1.2V 288-PIN Server ModuleEpoch · CT32G4RFD4266 · New | DDR4 · RDIMM · ECC2666 MT/s · 14.25 ns | 32GB1 × 32GB · JEDEC / Unspecified | $177.99Verified Sep 14, 2026 | $5.56per GB | Buy on Amazon |
 A-Tech 128GB Kit (4x32GB) DDR4 2666MHz PC4-21300 ECC LRDIMM 2Rx4 Dual Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT32G4D4D2666LD4N12V · New | DDR4 · RDIMM · LRDIMM2666 MT/s · — | 128GB4 × 32GB · JEDEC / Unspecified | $719.86Verified Sep 11, 2026 | $5.62per GB | Buy on Amazon |
 NEMIX RAM 64GB (1X64GB) DDR4 2666MHz PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory Compatible with Samsung M393A8G40MB2-CTDNEMIX RAM · MR21300-924K1 · New | DDR4 · RDIMM · ECC2666 MT/s · 14.25 ns | 64GB1 × 64GB · JEDEC / Unspecified | $360.00Verified Aug 31, 2026 | $5.63per GB | Buy on Amazon |
 A-Tech 64GB Kit (4x16GB) DDR4 2400MHz PC4-19200 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT16G4D4D2400RD4N12V · New | DDR4 · RDIMM · LRDIMM2400 MT/s · — | 64GB4 × 16GB · JEDEC / Unspecified | $362.02Verified Sep 11, 2026 | $5.66per GB | Buy on Amazon |
 Hynix DDR4-2133 32GB/4Gx72 ECC/REG CL15 Chip Server Memory HMA84GR7MFR4N-TFSK Hynix · HMA84GR7MFR4N-TF.HYNIX · New | DDR4 · UDIMM · ECC2133 MT/s · 14.07 ns | 32GB1 × 32GB · JEDEC / Unspecified | $183.60Verified Sep 10, 2026 | $5.74per GB | Buy on Amazon |
 A-Tech DDR4 RAM 128GB Kit (4x32GB) 2666MHz PC4-21300 SODIMM Laptop MemoryA-Tech · AT32G4D4S2666ND8N12V · New | DDR5 · RDIMM · LRDIMM2666 MT/s · — | 128GB4 × 32GB · JEDEC / Unspecified | $735.32Verified Sep 14, 2026 | $5.75per GB | Buy on Amazon |
A-Tech 128GB Kit (4x32GB) RAM for ASRock Rack ROMED8-2T | DDR4 2133MHz PC4-17000 ECC LRDIMM 4Rx4 Load Reduced Server Memory UpgradeA-Tech · ARX841 · New | DDR4 · RDIMM · LRDIMM · ECC2133 MT/s · — | 128GB4 × 32GB · JEDEC / Unspecified | $740.70Verified Sep 14, 2026 | $5.79per GB | Buy on Amazon |
 NEMIX RAM 512GB (8X64GB) DDR4 2666MHz PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KITNEMIX RAM · MR21300-924K01-G · New | DDR4 · RDIMM · ECC2666 MT/s · 14.25 ns | 512GB8 × 64GB · JEDEC / Unspecified | $2,998.49Verified Sep 14, 2026 | $5.86per GB | Buy on Amazon |
 A-Tech DDR4 RAM 32GB 2666MHz PC4-21300 SODIMM Laptop MemoryA-Tech · AT32G1D4S2666ND8N12V · New | DDR5 · RDIMM · LRDIMM2666 MT/s · — | 32GB1 × 32GB · JEDEC / Unspecified | $188.20Verified Aug 27, 2026 | $5.88per GB | Buy on Amazon |
NEMIX RAM 128GB (2X64GB) DDR4 2666MHz PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KITNEMIX RAM · MR21300-924K02-G · New | DDR4 · RDIMM · ECC2666 MT/s · 14.25 ns | 128GB2 × 64GB · JEDEC / Unspecified | $755.49Verified Sep 14, 2026 | $5.90per GB | Buy on Amazon |
 128GB 2X64GB DDR4 2666MHz PC4-21300 4Rx4 1.2V CL19 288-PIN ECC Registered RDIMM NEMIX RAM Server Memory KITNEMIX RAM · New | DDR4 · RDIMM · ECC2666 MT/s · 14.25 ns | 128GB2 × 64GB · JEDEC / Unspecified | $755.49Verified Sep 14, 2026 | $5.90per GB | Buy on Amazon |
NEMIX RAM 128GB (2X64GB) DDR4 2666MHZ PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with Dell PowerEdge T440 TowerNEMIX RAM · New | DDR4 · RDIMM · ECC2666 MT/s · 14.25 ns | 128GB2 × 64GB · JEDEC / Unspecified | $755.49Verified Sep 14, 2026 | $5.90per GB | Buy on Amazon |
 NEMIX RAM 128GB (2X64GB) DDR4 2666MHz PC4-21300 4Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with Synology SA6400 NASNEMIX RAM · New | DDR4 · RDIMM · ECC2666 MT/s · 14.25 ns | 128GB2 × 64GB · JEDEC / Unspecified | $755.49Verified Sep 14, 2026 | $5.90per GB | Buy on Amazon |
NEMIX RAM 128GB (2X64GB) DDR4 2666MHz PC4-21300 4Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server MemoryNEMIX RAM · New | DDR4 · RDIMM · ECC2666 MT/s · 14.25 ns | 128GB2 × 64GB · JEDEC / Unspecified | $755.49Verified Sep 14, 2026 | $5.90per GB | Buy on Amazon |
 NEMIX RAM 64GB (1X64GB) DDR4 2666MHz PC4-21300 4Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server MemoryNEMIX RAM · New | DDR4 · RDIMM · ECC2666 MT/s · 14.25 ns | 64GB1 × 64GB · JEDEC / Unspecified | $378.00Verified Sep 14, 2026 | $5.91per GB | Buy on Amazon |
 Samsung 64GB DDR4 2400MHz PC4-19200 ECC LRDIMM 4Rx4 Quad Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory M386A8K40BM1-CRCSamsung · M386A8K40BM1-CRC · New | DDR4 · RDIMM · LRDIMM · ECC2400 MT/s · 14.17 ns | 64GB1 × 64GB · JEDEC / Unspecified | $378.78Verified Sep 14, 2026 | $5.92per GB | Buy on Amazon |
 A-Tech 128GB Kit (4x32GB) DDR4 2400MHz PC4-19200 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT32G4D4D2400RD4N12V · New | DDR4 · RDIMM · LRDIMM2400 MT/s · — | 128GB4 × 32GB · JEDEC / Unspecified | $763.91Verified Sep 8, 2026 | $5.97per GB | Buy on Amazon |
 A-Tech 64GB Kit (2x32GB) DDR4 2400MHz PC4-19200 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT32G2D4D2400RD4N12V · New | DDR4 · RDIMM · LRDIMM2400 MT/s · — | 64GB2 × 32GB · JEDEC / Unspecified | $381.99Verified Sep 8, 2026 | $5.97per GB | Buy on Amazon |
 A-Tech 32GB DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Module (A-Tech Enterprise Series)A-Tech · AT32G1D4D2666RD4N12V · New | DDR4 · RDIMM · LRDIMM2666 MT/s · — | 32GB1 × 32GB · JEDEC / Unspecified | $194.24Verified Aug 27, 2026 | $6.07per GB | Buy on Amazon |
 A-Tech 64GB Kit (2x32GB) DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT32G2D4D2666RD4N12V · New | DDR4 · RDIMM · LRDIMM2666 MT/s · — | 64GB2 × 32GB · JEDEC / Unspecified | $388.49Verified Sep 7, 2026 | $6.07per GB | Buy on Amazon |
 Timetec Hynix IC DDR4 Registered ECC 1.2V 288 Pin RDIMM Server Memory RAM Module Upgrade (DDR4 2666MHz, 64GB KIT(2x32GB) 2R4)Timetec · 7 · New | DDR4 · RDIMM · ECC2666 MT/s · 14.25 ns | 64GB2 × 32GB · JEDEC / Unspecified | $389.99Verified Sep 14, 2026 | $6.09per GB | Buy on Amazon |
A-Tech 128GB Kit (2x64GB) RAM for ASUS ESC ESC4000 G3, ESC4000 G3S, ESC4000 G4X, ESC8000 G3 | DDR4 2400MHz PC4-19200 ECC LRDIMM 4Rx4 Load Reduced Server Memory UpgradeA-Tech · ASQ892 · New | DDR4 · RDIMM · LRDIMM · ECC2400 MT/s · — | 128GB2 × 64GB · JEDEC / Unspecified | $780.23Verified Sep 14, 2026 | $6.10per GB | Buy on Amazon |
 NEMIX RAM 128GB (8X16GB) DDR4 2400MHz PC4-19200 2Rx4 1.2V CL17 288-PIN ECC RDIMM Registered Server Memory KITNEMIX RAM · MR19200-624K08-G · New | DDR4 · RDIMM · ECC2400 MT/s · 14.17 ns | 128GB8 × 16GB · JEDEC / Unspecified | $784.49Verified Aug 4, 2026 | $6.13per GB | Buy on Amazon |
 A-Tech 32GB (2X 16GB) RAM for DELL Precision T7810 | DDR4 2133MHz ECC-RDIMM PC4-17000 2Rx4 1.2V 288-Pin ECC Registered Server Memory Upgrade KitA-Tech · AOH583 · New | DDR4 · RDIMM2133 MT/s · — | 32GB2 × 16GB · JEDEC / Unspecified | $196.63Verified Sep 9, 2026 | $6.15per GB | Buy on Amazon |
 A-Tech 32GB (2X 16GB) RAM for DELL Precision Workstation T5810 Ddr4 | DDR4 2133MHz ECC-RDIMM PC4-17000 2Rx4 1.2V 288-Pin ECC Registered Server Memory Upgrade KitA-Tech · AOH549 · New | DDR4 · RDIMM2133 MT/s · — | 32GB2 × 16GB · JEDEC / Unspecified | $196.63Verified Sep 14, 2026 | $6.15per GB | Buy on Amazon |
 A-Tech DDR4 RAM 32GB Kit (2x16GB) 2666MHz PC4-21300 SODIMM Laptop MemoryA-Tech · AT16G2D4S2666NA0N12V · New | DDR5 · RDIMM · LRDIMM2666 MT/s · — | 32GB2 × 16GB · JEDEC / Unspecified | $196.99Verified Sep 14, 2026 | $6.16per GB | Buy on Amazon |
 A-Tech DDR4 RAM 64GB Kit (4x16GB) 2666MHz PC4-21300 SODIMM Laptop MemoryA-Tech · AT16G4D4S2666NA0N12V · New | DDR5 · RDIMM · LRDIMM2666 MT/s · — | 64GB4 × 16GB · JEDEC / Unspecified | $393.98Verified Sep 14, 2026 | $6.16per GB | Buy on Amazon |
 NEMIX RAM 32GB (2X16GB) DDR4 2400MHz PC4-19200 2Rx4 1.2V CL17 288-PIN ECC RDIMM Registered Server Memory KITNEMIX RAM · MR19200-624K02-G · New | DDR4 · RDIMM · ECC2400 MT/s · 14.17 ns | 32GB2 × 16GB · JEDEC / Unspecified | $197.89Verified Aug 6, 2026 | $6.18per GB | Buy on Amazon |
 NEMIX RAM 32GB (2X16GB) DDR4 2400MHz PC4-19200 1Rx4 1.2V CL17 288-PIN ECC RDIMM Registered Server Memory KITNEMIX RAM · New | DDR4 · RDIMM · ECC2400 MT/s · 14.17 ns | 32GB2 × 16GB · JEDEC / Unspecified | $197.89Verified Aug 31, 2026 | $6.18per GB | Buy on Amazon |
 A-Tech 32GB Kit (4x8GB) DDR4 2400MHz PC4-19200 ECC RDIMM 2Rx8 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT8G4D4D2400RD8N12V · New | DDR4 · RDIMM · LRDIMM2400 MT/s · — | 32GB4 × 8GB · JEDEC / Unspecified | $198.34Verified Aug 8, 2026 | $6.20per GB | Buy on Amazon |
 NEMIX RAM 128GB (8X16GB) DDR4-2133MHz PC4-17000 2Rx4 1.2V 288-PIN ECC RDIMM Registered Server Memory KITNEMIX RAM · New | DDR4 · RDIMM · ECC2133 MT/s · — | 128GB8 × 16GB · JEDEC / Unspecified | $793.49Verified Aug 6, 2026 | $6.20per GB | Buy on Amazon |
 NEMIX RAM 128GB (4X32GB) DDR4 2133MHz PC4-17000 2Rx4 1.2V 288-PIN ECC RDIMM Registered Server Memory KITNEMIX RAM · MR17000-324K04-G · New | DDR4 · RDIMM · ECC2133 MT/s · — | 128GB4 × 32GB · JEDEC / Unspecified | $794.49Verified Aug 29, 2026 | $6.21per GB | Buy on Amazon |
A-Tech 128GB Kit (2 x 64GB) for Dell PowerEdge T440 - DDR4 PC4-21300 2666Mhz ECC Load Reduced LRDIMM 4Rx4 - Server Specific Memory Ram (AT316657SRV-X2L2)A-Tech · AT316657SRV-X2L2 · New | DDR4 · RDIMM · LRDIMM · ECC2666 MT/s · — | 128GB2 × 64GB · JEDEC / Unspecified | $794.80Verified Sep 14, 2026 | $6.21per GB | Buy on Amazon |
A-Tech 128GB Kit (2 x 64GB) for Dell PowerEdge R640 - DDR4 PC4-21300 2666Mhz ECC Load Reduced LRDIMM 4Rx4 - Server Specific Memory Ram (AT316641SRV-X2L2)A-Tech · AT316641SRV-X2L2 · New | DDR4 · RDIMM · LRDIMM · ECC2666 MT/s · — | 128GB2 × 64GB · JEDEC / Unspecified | $794.80Verified Sep 14, 2026 | $6.21per GB | Buy on Amazon |
 A-Tech 128GB Kit (2x64GB) RAM for Dell PowerEdge C6520, FC830, M830, R7415, R750, R750xs, T630 | DDR4 2666MHz PC4-21300 ECC LRDIMM 4Rx4 Load Reduced Server Memory UpgradeA-Tech · ASQ390 · New | DDR4 · RDIMM · LRDIMM · ECC2666 MT/s · — | 128GB2 × 64GB · JEDEC / Unspecified | $794.80Verified Sep 14, 2026 | $6.21per GB | Buy on Amazon |
A-Tech 128GB Kit (2 x 64GB) for Dell Precision 7920 - DDR4 PC4-21300 2666Mhz ECC Load Reduced LRDIMM 4Rx4 - Server Specific Memory Ram (AT316785SRV-X2L2)A-Tech · AT316785SRV-X2L2 · New | DDR4 · RDIMM · LRDIMM · ECC2666 MT/s · — | 128GB2 × 64GB · JEDEC / Unspecified | $794.80Verified Sep 14, 2026 | $6.21per GB | Buy on Amazon |
 SAMSUNG 32GB M393A4K40CB2-CTD8Q DDR4-2666 ECC RDIMM 2Rx4 PC4-21300V-R CL19 Server MemorySamsung · M393A4K40CB2-CTD · New | DDR4 · RDIMM · ECC2666 MT/s · 14.25 ns | 32GB1 × 32GB · JEDEC / Unspecified | $199.00Verified Sep 11, 2026 | $6.22per GB | Buy on Amazon |
 NEMIX RAM 128GB (2X64GB) DDR4 2933MHZ PC4-23400 4Rx4 1.2V CL21 288-PIN ECC LRDIMM Load Reduced Server Memory KIT Compatible with Apple Mac Pro 2019 7,1 Tower ComputerNEMIX RAM · 0759170861484 · New | DDR4 · RDIMM · LRDIMM · ECC2933 MT/s · 14.32 ns | 128GB2 × 64GB · JEDEC / Unspecified | $796.99Verified Sep 14, 2026 | $6.23per GB | Buy on Amazon |
 Samsung 64GB DDR4 2666MHz PC4-21300 ECC RDIMM 4Rx4 2S2Rx4 1.2V ECC Registered DIMM Server RAM Memory - M393A8K40B22-CWDSamsung · M393A8K40B22-CWD · New | DDR4 · RDIMM · ECC2666 MT/s · — | 64GB1 × 64GB · JEDEC / Unspecified | $399.00Verified Sep 14, 2026 | $6.23per GB | Buy on Amazon |
 Samsung Memory Bundle with 64GB (2 x 32GB) DDR4 PC4-21300 2666MHz RDIMM (2 x M393A4K40CB2-CTD) Registered Server MemorySamsung · ASIRAM20 · New | DDR4 · RDIMM2666 MT/s · 14.25 ns | 64GB2 × 32GB · JEDEC / Unspecified | $399.00Verified Sep 14, 2026 | $6.23per GB | Buy on Amazon |
 Samsung Memory Bundle with 128GB (4 x 32GB) DDR4 PC4-21300 2666MHz RDIMM (4 x M393A4K40CB2-CTD) Registered Server MemorySamsung · 3112-SAMSUNG-4300 · New | DDR4 · RDIMM2666 MT/s · — | 128GB4 × 32GB · JEDEC / Unspecified | $799.00Verified Sep 14, 2026 | $6.24per GB | Buy on Amazon |
 Micron Memory Bundle with 128GB (2 x 64GB) DDR4 PC4-23466 2933MHz Registered Server Memory (2 x MTA72ASS8G72LZ-2G9J1)Micron · ASIHLAMZ212 · New | DDR4 · RDIMM · LRDIMM2933 MT/s · 14.32 ns | 128GB2 × 64GB · JEDEC / Unspecified | $799.00Verified Sep 14, 2026 | $6.24per GB | Buy on Amazon |
Samsung Memory Bundle with 128GB (4 x 32GB) DDR4 PC4-21300 2666MHz Memory Compatible with Dell PowerEdge R440, R640, R740, R740XD, T440, T640 ServersSamsung · ASIRAM5 · New | DDR4 · RDIMM2666 MT/s · 14.25 ns | 128GB4 × 32GB · JEDEC / Unspecified | $799.00Verified Aug 25, 2026 | $6.24per GB | Buy on Amazon |
 Micron Memory Bundle with 256GB (8 x 32GB) DDR4 PC4-21333 2666MHz RDIMM (8 x MTA36ASF4G72PZ-2G6E1), Dual Ranked Registered ECC MemoryMicron · ASIHLAMZ218 · New | DDR4 · RDIMM · ECC2666 MT/s · 14.25 ns | 256GB8 × 32GB · JEDEC / Unspecified | $1,599.00Verified Sep 14, 2026 | $6.25per GB | Buy on Amazon |
 Samsung Memory Bundle with 256GB (8 x 32GB) DDR4 PC4-21300 2666MHz RDIMM (8 x M393A4K40CB2-CTD) Registered Server MemorySamsung · ASIRAM22 · New | DDR4 · RDIMM2666 MT/s · 14.25 ns | 256GB8 × 32GB · JEDEC / Unspecified | $1,599.00Verified Sep 7, 2026 | $6.25per GB | Buy on Amazon |
 Samsung M393A4K40BB1-CRC 32GB DDR4-2400 LP ECC Reg Server MemorySamsung · M393A4K40BB1-CRC · New | DDR4 · UDIMM · ECC2400 MT/s · — | 32GB1 × 32GB · JEDEC / Unspecified | $199.99Verified Sep 3, 2026 | $6.25per GB | Buy on Amazon |
 Timetec Hynix Original 32GB KIT(2x16GB) DDR4 3200MHz PC4-25600 Registered ECC 1.2V CL22 288 Pin RDIMM Server Memory Ram Module Upgrade (32GB KIT(2x16GB))Timetec · New | DDR4 · RDIMM · ECC3200 MT/s · 13.75 ns | 32GB2 × 16GB · JEDEC / Unspecified | $199.99Verified Sep 14, 2026 | $6.25per GB | Buy on Amazon |
 Timetec Hynix IC 16GB KIT(2x8GB) DDR4 2400MHz PC4-19200 Unbuffered ECC 1.2V CL17 1Rx8 Single Rank 288 Pin UDIMM Server Memory RAM Module UpgradeTimetec · 7 · New | DDR4 · UDIMM · ECC UDIMM2400 MT/s · 14.17 ns | 16GB2 × 8GB · JEDEC / Unspecified | $100.99Verified Sep 14, 2026 | $6.31per GB | Buy on Amazon |
 Timetec 16GB KIT (2x8GB) DDR4 2666MHz PC4-21300 Unbuffered ECC 1.2V CL19 1Rx8 288 Pin UDIMM Server Memory RAM Module Upgrade (16GB KIT (2x8GB))Timetec · 71TT26EU1R8-8GK2 · New | DDR4 · UDIMM · ECC UDIMM2666 MT/s · 14.25 ns | 16GB2 × 8GB · JEDEC / Unspecified | $100.99Verified Sep 14, 2026 | $6.31per GB | Buy on Amazon |
 Timetec Hynix Original 32GB DDR4 2666MHz PC4-21300 Registered ECC 1.2V CL19 2Rx4 Dual Rank 288 Pin RDIMM Server Memory Ram Module Upgrade (32GB)Timetec · 7 · New | DDR4 · RDIMM · ECC2666 MT/s · 14.25 ns | 32GB1 × 32GB · JEDEC / Unspecified | $202.99Verified Sep 14, 2026 | $6.34per GB | Buy on Amazon |
 A-Tech DDR4 RAM 16GB 2666MHz PC4-21300 SODIMM Laptop MemoryA-Tech · AT16G1D4S2666NA0N12V · New | DDR5 · RDIMM · LRDIMM2666 MT/s · — | 16GB1 × 16GB · JEDEC / Unspecified | $101.54Verified Sep 14, 2026 | $6.35per GB | Buy on Amazon |
 A-Tech 32GB Kit (2x16GB) DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx8 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT16G2D4D2133RD8N12V · New | DDR4 · RDIMM · LRDIMM2133 MT/s · — | 32GB2 × 16GB · JEDEC / Unspecified | $203.13Verified Aug 26, 2026 | $6.35per GB | Buy on Amazon |
 SK HYNIX 32GB HMA84GR7MFR4N-UH DDR4-2400 ECC RDIMM 2Rx4 PC4-19200T-R CL17 Server MemorySK Hynix · HMA84GR7MFR4N-UH · New | DDR4 · RDIMM · ECC2400 MT/s · 14.17 ns | 32GB1 × 32GB · JEDEC / Unspecified | $204.50Verified Sep 14, 2026 | $6.39per GB | Buy on Amazon |
 NEMIX RAM 128GB (8X16GB) DDR4 2400MHZ PC4-19200 2Rx8 1.2V CL17 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with ASRock Rack ROMED8-2T AMD EPYC MotherboardNEMIX RAM · New | DDR4 · RDIMM · ECC2400 MT/s · 14.17 ns | 128GB8 × 16GB · JEDEC / Unspecified | $823.89Verified Sep 14, 2026 | $6.44per GB | Buy on Amazon |
 NEMIX RAM 128GB (8X16GB) DDR4 2400MHz PC4-19200 1Rx4 1.2V CL17 288-PIN ECC RDIMM Registered Server Memory KITNEMIX RAM · New | DDR4 · RDIMM · ECC2400 MT/s · 14.17 ns | 128GB8 × 16GB · JEDEC / Unspecified | $823.89Verified Sep 14, 2026 | $6.44per GB | Buy on Amazon |
 NEMIX RAM 64GB (4X16GB) DDR4 2400MHZ PC4-19200 2Rx8 1.2V CL17 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with ASRock ROMED8-2T AMD EPYC MotherboardNEMIX RAM · New | DDR4 · RDIMM · ECC2400 MT/s · 14.17 ns | 64GB4 × 16GB · JEDEC / Unspecified | $414.89Verified Sep 5, 2026 | $6.48per GB | Buy on Amazon |
 NEMIX RAM 64GB (4X16GB) DDR4 2133MHz PC4-17000 2Rx4 1.2V 288-PIN ECC RDIMM Registered Server Memory KITNEMIX RAM · MR17000-624K04-411 · New | DDR4 · RDIMM · ECC2133 MT/s · — | 64GB4 × 16GB · JEDEC / Unspecified | $419.49Verified Sep 14, 2026 | $6.56per GB | Buy on Amazon |
 Crucial Bundle with 64GB (2 x 32GB) DDR4 PC4-21300 2666MHz RDIMM (2 x CT32G4RFD4266), Dual Ranked Registered ECC MemoryCrucial · RAMKIT13A · New | DDR4 · RDIMM · ECC2666 MT/s · — | 64GB2 × 32GB · JEDEC / Unspecified | $419.99Verified Sep 14, 2026 | $6.56per GB | Buy on Amazon |
 Hynix 16Gb (1X16gb) DDR4 PC4-17000 2133Mhz Ecc Registered Server Memory Model HMA42GR7AFR4N-TFSK Hynix · HMA42GR7AFR4N-TF · New | DDR4 · UDIMM · RDIMM · ECC2133 MT/s · — | 16GB1 × 16GB · JEDEC / Unspecified | $105.00Verified Aug 20, 2026 | $6.56per GB | Buy on Amazon |
 A-Tech 128GB DDR4 2666MHz PC4-21300 ECC LRDIMM 8Rx4 (3DS 2S4Rx4) Octal Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory Upgrade Module (A-Tech Enterprise Series)A-Tech · AT128G1D4D2666LO43DSN12V · New | DDR4 · RDIMM · LRDIMM2666 MT/s · — | 128GB1 × 128GB · JEDEC / Unspecified | $843.83Verified Aug 10, 2026 | $6.59per GB | Buy on Amazon |
 Timetec Hynix IC 64GB KIT(2x32GB) DDR4 3200MHz PC4-25600 Unbuffered ECC UDIMM 1.2V CL22 2Rx8 Dual Rank 260 Pin SODIMM Memory RAM Module Upgrade (64GB KIT(2x32GB))Timetec · 7 · New | DDR4 · SODIMM · ECC UDIMM3200 MT/s · 13.75 ns | 64GB2 × 32GB · JEDEC / Unspecified | $429.99Verified Sep 11, 2026 | $6.72per GB | Buy on Amazon |
 A-Tech 64GB (2x32GB) Memory for Dell PowerEdge R440, T440, R540, R640, T640, M640, FC640, R740, R740XD, R940, C6420 | DDR4 2666MHz ECC RDIMM PC4-21300 2Rx4 1.2V 288-Pin DIMM Server RAM Upgrade KitA-Tech · New | DDR4 · RDIMM · ECC2666 MT/s · — | 64GB2 × 32GB · JEDEC / Unspecified | $431.64Verified Sep 7, 2026 | $6.74per GB | Buy on Amazon |
 A-Tech 64GB Kit (2 x 32GB) for Dell PowerEdge T440 - DDR4 PC4-21300 2666Mhz ECC Registered RDIMM 2Rx4 - Server Memory Ram Compatible Replacement for SNPTN78YC/32G (AT316657SRV-X2R5)A-Tech · AT316657SRV-X2R5 · New | DDR4 · RDIMM · ECC2666 MT/s · — | 64GB2 × 32GB · JEDEC / Unspecified | $431.64Verified Sep 2, 2026 | $6.74per GB | Buy on Amazon |
 A-Tech 32GB Memory for Dell PowerEdge R440, T440, R540, R640, T640, M640, FC640, R740, R740XD, R940, C6420 | DDR4 2666MHz ECC RDIMM PC4-21300 2Rx4 1.2V 288-Pin DIMM Server RAM Upgrade ModuleA-Tech · New | DDR4 · RDIMM · ECC2666 MT/s · — | 32GB1 × 32GB · JEDEC / Unspecified | $215.83Verified Sep 8, 2026 | $6.75per GB | Buy on Amazon |
NEMIX RAM 128GB (1X128GB) DDR4 2666MHZ PC4-21300 8Rx4 1.2V CL19 288-PIN ECC LRDIMM Compatible with Dell SNPHVY68C/128G AA664973 Load Reduced Server MemoryNEMIX RAM · SNPHVY68C/128G · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 1 × 128GB
- Last verified price
- $480.00Sep 1, 2026
- Price/GB
- $3.75
A-Tech 128GB Kit (2x64GB) DDR4 3200MHz PC4-25600 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT64G2D4D3200RD4N12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 128GB
- Speed
- 3200 MT/s
- Latency
- —
- Configuration
- 2 × 64GB
- Last verified price
- $512.19Sep 14, 2026
- Price/GB
- $4.00
Hynix HMA84GR7MFR4N-TF 32GB DDR4-2133 ECC/Reg CL15 Hynix Chip Server MemorySK Hynix · HMA84GR7MFR4N-TF · New
- Type
- DDR4 · UDIMM · ECC
- Capacity
- 32GB
- Speed
- 2133 MT/s
- Latency
- 14.07 ns
- Configuration
- 1 × 32GB
- Last verified price
- $139.00Sep 13, 2026
- Price/GB
- $4.34
Simmtec 64GB (2x32GB) DDR4 2133MHz ECC Registered RDIMM Server Memory Kit – PC4-17000 2Rx4 288-Pin 1.2V – Compatible with Enterprise Servers – High Performance Server RAM UpgradeSimmtec Incorporated Memory is Our Business · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 64GB
- Speed
- 2133 MT/s
- Latency
- 17.82 ns
- Configuration
- 2 × 32GB
- Last verified price
- $279.00Sep 14, 2026
- Price/GB
- $4.36
Samsung 32GB DDR4 2400MHz PC4-19200 ECC RDIMM 2Rx4 Dual Rank 1.2V Registered DIMM 288-Pin Server RAM Memory M393A4K40CB1-CRCSamsung · M393A4K40CB1-CRC · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 32GB
- Speed
- 2400 MT/s
- Latency
- —
- Configuration
- 1 × 32GB
- Last verified price
- $142.97Aug 27, 2026
- Price/GB
- $4.47
NEMIX RAM 128GB (2X64GB) DDR4 2400MHz PC4-19200 4Rx4 1.2V CL17 288-PIN ECC LRDIMM Load Reduced Server Memory KITNEMIX RAM · ML19200-944K02-G · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2400 MT/s
- Latency
- 14.17 ns
- Configuration
- 2 × 64GB
- Last verified price
- $577.49Sep 14, 2026
- Price/GB
- $4.51
NEMIX RAM 128GB (2X64GB) DDR4 2133MHz PC4-17000 4Rx4 1.2V 288-PIN ECC LRDIMM Load Reduced Server Memory KITNEMIX RAM · ML17000-944K02-G · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2133 MT/s
- Latency
- —
- Configuration
- 2 × 64GB
- Last verified price
- $577.49Sep 14, 2026
- Price/GB
- $4.51
A-Tech 128GB Kit (2x64GB) DDR4 2400MHz PC4-19200 ECC LRDIMM 4Rx4 (4DRx4) Quad Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT64G2D4D2400LQ4N12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 128GB
- Speed
- 2400 MT/s
- Latency
- —
- Configuration
- 2 × 64GB
- Last verified price
- $577.96Aug 30, 2026
- Price/GB
- $4.52
NEMIX RAM 128GB (2X64GB) DDR4 2666MHZ PC4-21300 4Rx4 1.2V CL19 288-PIN ECC LRDIMM Load Reduced Server Memory KIT Compatible with Dell EMC PowerEdge R7425 ServerNEMIX RAM · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 2 × 64GB
- Last verified price
- $595.00Aug 31, 2026
- Price/GB
- $4.65
A-Tech 32GB RAM Replacement for Samsung M393A4K40BB0-CPB | DDR4 2133MHz PC4-17000 2Rx4 1.2V ECC RDIMM Registered 288-Pin DIMM Memory ModuleA-Tech · M393A4K40BB0-CPB-ATC · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 32GB
- Speed
- 2133 MT/s
- Latency
- —
- Configuration
- 1 × 32GB
- Last verified price
- $150.65Aug 6, 2026
- Price/GB
- $4.71
A-Tech 128GB ECC-LRDIMMMemory Kit for SuperMicro X10DRi, X10DRi-T - (4 x 32GB) DDR4 2400MHz PC4-19200 ECC Load Reduced DIMM Quad Rank 4Rx4 RAM Upgrade ModulesA-Tech · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2400 MT/s
- Latency
- —
- Configuration
- 4 × 32GB
- Last verified price
- $604.92Sep 7, 2026
- Price/GB
- $4.73
A-Tech 128GB Kit (4x32GB) RAM for HP Z840 | DDR4 2400MHz PC4-19200 ECC LRDIMM 2Rx4 Load Reduced Server Memory UpgradeA-Tech · ARW143 · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2400 MT/s
- Latency
- —
- Configuration
- 4 × 32GB
- Last verified price
- $604.92Sep 3, 2026
- Price/GB
- $4.73
A-Tech 128GB Kit (2 x 64GB) for HP ProLiant DL380 Gen9 G9 - DDR4 PC4-21300 2666Mhz ECC Load Reduced LRDIMM 4Rx4 - Server Specific Memory Ram (AT322623SRV-X2L2)A-Tech · AT322623SRV-X2L2 · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 2 × 64GB
- Last verified price
- $619.00Aug 21, 2026
- Price/GB
- $4.84
A-Tech 128GB Kit (2 x 64GB) for HP ProLiant DL360 Gen10 G10 - DDR4 PC4-21300 2666Mhz ECC Load Reduced LRDIMM 4Rx4 - Server Specific Memory Ram (AT322600SRV-X2L2)A-Tech · AT322600SRV-X2L2 · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 2 × 64GB
- Last verified price
- $619.00Aug 23, 2026
- Price/GB
- $4.84
A-Tech 128GB Kit (2x64GB) RAM for Dell PowerEdge C4130, C6320p, FC630, R730, T630 | DDR4 2400MHz PC4-19200 ECC LRDIMM 4Rx4 Load Reduced Server Memory UpgradeA-Tech · ASO833 · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2400 MT/s
- Latency
- —
- Configuration
- 2 × 64GB
- Last verified price
- $619.23Aug 30, 2026
- Price/GB
- $4.84
A-Tech 128GB (2x64GB) Memory for Dell PowerEdge R440, T440, R540, R640, T640, M640, FC640, R740, R740XD, R940, C6420 | DDR4 2400MHz ECC LRDIMM PC4-19200 4Rx4 1.2V 288-Pin DIMM Server RAM Upgrade KitA-Tech · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2400 MT/s
- Latency
- —
- Configuration
- 2 × 64GB
- Last verified price
- $619.23Aug 30, 2026
- Price/GB
- $4.84
A-Tech 128GB Kit (2x64GB) DDR4 2666MHz PC4-21300 ECC LRDIMM 4Rx4 (4DRx4) Quad Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT64G2D4D2666LQ4N12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 2 × 64GB
- Last verified price
- $620.03Aug 27, 2026
- Price/GB
- $4.84
NEMIX RAM 128GB (2X64GB) DDR4 2666MHZ PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with ASRock Rack ROMED8-2T AMD EPYC Series MotherboardNEMIX RAM · 0759170876723 · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 2 × 64GB
- Last verified price
- $628.88Aug 19, 2026
- Price/GB
- $4.91
A-Tech 32GB DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Module (A-Tech Enterprise Series)A-Tech · AT32G1D4D2133RD4N12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 32GB
- Speed
- 2133 MT/s
- Latency
- —
- Configuration
- 1 × 32GB
- Last verified price
- $157.82Aug 25, 2026
- Price/GB
- $4.93
A-Tech 32GB DDR4 2400MHz PC4-19200 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Module (A-Tech Enterprise Series)A-Tech · AT32G1D4D2400RD4N12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 32GB
- Speed
- 2400 MT/s
- Latency
- —
- Configuration
- 1 × 32GB
- Last verified price
- $157.84Aug 6, 2026
- Price/GB
- $4.93
A-Tech 256GB Kit (8x32GB) DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT32G8D4D2666RD4N12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 256GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 8 × 32GB
- Last verified price
- $1,284.23Aug 4, 2026
- Price/GB
- $5.02
A-Tech 128GB Kit (4x32GB) RAM for Dell PowerEdge M640, R430, R440, R640, R730, R740, T430, T440, T630 | DDR4 2133MHz PC4-17000 ECC LRDIMM 4Rx4 Load Reduced Server Memory UpgradeA-Tech · ASQ249 · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2133 MT/s
- Latency
- —
- Configuration
- 4 × 32GB
- Last verified price
- $644.09Sep 4, 2026
- Price/GB
- $5.03
Kingston Technology 64GB RAM Kit (4x16GB) 2133MHz DDR4 ECC Reg CL15 DIMM DR x 4 with TS Server Memory (KVR21R15D4K4/64)Kingston · KVR21R15D4K4/64 · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 64GB
- Speed
- 2133 MT/s
- Latency
- 14.07 ns
- Configuration
- 4 × 16GB
- Last verified price
- $328.99Sep 5, 2026
- Price/GB
- $5.14
NEMIX RAM 128GB (2X64GB) DDR4 2666MHz PC4-21300 4Rx4 1.2V CL19 288-PIN ECC LRDIMM Load Reduced Server Memory KITNEMIX RAM · ML21300-944K02-G · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 2 × 64GB
- Last verified price
- $659.49Sep 14, 2026
- Price/GB
- $5.15
NEMIX RAM 128GB (2X64GB) DDR4 2666MHZ PC4-21300 4Rx4 1.2V CL19 288-PIN ECC LRDIMM Load Reduced Server Memory KIT Compatible with Apple iMac Pro 2017-2021 iMacPro1,1NEMIX RAM · ML21300-944K2-NMA01 · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 2 × 64GB
- Last verified price
- $659.49Sep 14, 2026
- Price/GB
- $5.15
NEMIX RAM 128GB (2X64GB) DDR4 2666MHZ PC4-21300 4Rx4 1.2V CL19 288-PIN ECC LRDIMM Load Reduced Server Memory KIT Compatible with Apple Mac Pro 2020 7,1 Rack ComputerNEMIX RAM · ML21300-944K02-AMPR2020 · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 2 × 64GB
- Last verified price
- $659.49Sep 2, 2026
- Price/GB
- $5.15
A-Tech 128GB Kit (4x32GB) Memory RAM for Dell PowerEdge R630 - DDR4 2133MHz PC4-17000 ECC Load Reduced LRDIMM 4DRx4 (4Rx4) 1.2V - ServerA-Tech · AQR166 · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 128GB
- Speed
- 2133 MT/s
- Latency
- —
- Configuration
- 4 × 32GB
- Last verified price
- $670.93Sep 8, 2026
- Price/GB
- $5.24
A-Tech 128GB Kit (4x32GB) DDR4 2400MHz PC4-19200 ECC LRDIMM 2Rx4 Dual Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT32G4D4D2400LD4N12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 128GB
- Speed
- 2400 MT/s
- Latency
- —
- Configuration
- 4 × 32GB
- Last verified price
- $677.51Sep 11, 2026
- Price/GB
- $5.29
A-Tech 128GB Kit (4x32GB) RAM for Dell PowerEdge C4130, C6320, FC430, R630XL, R640, R730xd XL, R730XL, R740xd, R840, R940 | DDR4 2400MHz PC4-19200 ECC LRDIMM 2Rx4 Load Reduced Server Memory UpgradeA-Tech · ASQ179 · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2400 MT/s
- Latency
- —
- Configuration
- 4 × 32GB
- Last verified price
- $677.51Sep 14, 2026
- Price/GB
- $5.29
A-Tech 128GB Kit (4x32GB) DDR4 2133MHz PC4-17000 ECC LRDIMM 4Rx4 Quad Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT32G4D4D2133LQ4N12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 128GB
- Speed
- 2133 MT/s
- Latency
- —
- Configuration
- 4 × 32GB
- Last verified price
- $678.97Sep 14, 2026
- Price/GB
- $5.30
A-Tech 64GB Kit (2x32GB) DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT32G2D4D2133RD4N12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 64GB
- Speed
- 2133 MT/s
- Latency
- —
- Configuration
- 2 × 32GB
- Last verified price
- $347.17Sep 8, 2026
- Price/GB
- $5.43
A-Tech 128GB Kit (4x32GB) DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT32G4D4D2133RD4N12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 128GB
- Speed
- 2133 MT/s
- Latency
- —
- Configuration
- 4 × 32GB
- Last verified price
- $694.36Sep 7, 2026
- Price/GB
- $5.43
A-Tech 64GB Kit (4x16GB) DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT16G4D4D2133RD4N12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 64GB
- Speed
- 2133 MT/s
- Latency
- —
- Configuration
- 4 × 16GB
- Last verified price
- $347.89Sep 10, 2026
- Price/GB
- $5.44
A-Tech 128GB Kit (8x16GB) DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT16G8D4D2133RD4N12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 128GB
- Speed
- 2133 MT/s
- Latency
- —
- Configuration
- 8 × 16GB
- Last verified price
- $695.80Sep 14, 2026
- Price/GB
- $5.44
A-Tech 128GB Kit (2x64GB) DDR4 2133MHz PC4-17000 ECC LRDIMM 4Rx4 (4DRx4) Quad Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT64G2D4D2133LQ4N12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 128GB
- Speed
- 2133 MT/s
- Latency
- —
- Configuration
- 2 × 64GB
- Last verified price
- $700.94Sep 14, 2026
- Price/GB
- $5.48
A-Tech 128GB Kit (2x64GB) RAM for ASRock Rack ROMED8-2T | DDR4 2133MHz PC4-17000 ECC LRDIMM 4Rx4 Load Reduced Server Memory UpgradeA-Tech · ARW620 · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2133 MT/s
- Latency
- —
- Configuration
- 2 × 64GB
- Last verified price
- $700.94Sep 14, 2026
- Price/GB
- $5.48
CT32G4RFD4266 32GB DDR4 2666 RDIMM ECC REG 2Rx4 CL19 PC4-21300 1.2V 288-PIN Server ModuleEpoch · CT32G4RFD4266 · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 32GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 1 × 32GB
- Last verified price
- $177.99Sep 14, 2026
- Price/GB
- $5.56
A-Tech 128GB Kit (4x32GB) DDR4 2666MHz PC4-21300 ECC LRDIMM 2Rx4 Dual Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT32G4D4D2666LD4N12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 4 × 32GB
- Last verified price
- $719.86Sep 11, 2026
- Price/GB
- $5.62
NEMIX RAM 64GB (1X64GB) DDR4 2666MHz PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory Compatible with Samsung M393A8G40MB2-CTDNEMIX RAM · MR21300-924K1 · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 64GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 1 × 64GB
- Last verified price
- $360.00Aug 31, 2026
- Price/GB
- $5.63
A-Tech 64GB Kit (4x16GB) DDR4 2400MHz PC4-19200 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT16G4D4D2400RD4N12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 64GB
- Speed
- 2400 MT/s
- Latency
- —
- Configuration
- 4 × 16GB
- Last verified price
- $362.02Sep 11, 2026
- Price/GB
- $5.66
Hynix DDR4-2133 32GB/4Gx72 ECC/REG CL15 Chip Server Memory HMA84GR7MFR4N-TFSK Hynix · HMA84GR7MFR4N-TF.HYNIX · New
- Type
- DDR4 · UDIMM · ECC
- Capacity
- 32GB
- Speed
- 2133 MT/s
- Latency
- 14.07 ns
- Configuration
- 1 × 32GB
- Last verified price
- $183.60Sep 10, 2026
- Price/GB
- $5.74
A-Tech DDR4 RAM 128GB Kit (4x32GB) 2666MHz PC4-21300 SODIMM Laptop MemoryA-Tech · AT32G4D4S2666ND8N12V · New
- Type
- DDR5 · RDIMM · LRDIMM
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 4 × 32GB
- Last verified price
- $735.32Sep 14, 2026
- Price/GB
- $5.75
A-Tech 128GB Kit (4x32GB) RAM for ASRock Rack ROMED8-2T | DDR4 2133MHz PC4-17000 ECC LRDIMM 4Rx4 Load Reduced Server Memory UpgradeA-Tech · ARX841 · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2133 MT/s
- Latency
- —
- Configuration
- 4 × 32GB
- Last verified price
- $740.70Sep 14, 2026
- Price/GB
- $5.79
NEMIX RAM 512GB (8X64GB) DDR4 2666MHz PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KITNEMIX RAM · MR21300-924K01-G · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 512GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 8 × 64GB
- Last verified price
- $2,998.49Sep 14, 2026
- Price/GB
- $5.86
A-Tech DDR4 RAM 32GB 2666MHz PC4-21300 SODIMM Laptop MemoryA-Tech · AT32G1D4S2666ND8N12V · New
- Type
- DDR5 · RDIMM · LRDIMM
- Capacity
- 32GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 1 × 32GB
- Last verified price
- $188.20Aug 27, 2026
- Price/GB
- $5.88
NEMIX RAM 128GB (2X64GB) DDR4 2666MHz PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KITNEMIX RAM · MR21300-924K02-G · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 2 × 64GB
- Last verified price
- $755.49Sep 14, 2026
- Price/GB
- $5.90
128GB 2X64GB DDR4 2666MHz PC4-21300 4Rx4 1.2V CL19 288-PIN ECC Registered RDIMM NEMIX RAM Server Memory KITNEMIX RAM · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 2 × 64GB
- Last verified price
- $755.49Sep 14, 2026
- Price/GB
- $5.90
NEMIX RAM 128GB (2X64GB) DDR4 2666MHZ PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with Dell PowerEdge T440 TowerNEMIX RAM · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 2 × 64GB
- Last verified price
- $755.49Sep 14, 2026
- Price/GB
- $5.90
NEMIX RAM 128GB (2X64GB) DDR4 2666MHz PC4-21300 4Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with Synology SA6400 NASNEMIX RAM · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 2 × 64GB
- Last verified price
- $755.49Sep 14, 2026
- Price/GB
- $5.90
NEMIX RAM 128GB (2X64GB) DDR4 2666MHz PC4-21300 4Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server MemoryNEMIX RAM · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 2 × 64GB
- Last verified price
- $755.49Sep 14, 2026
- Price/GB
- $5.90
NEMIX RAM 64GB (1X64GB) DDR4 2666MHz PC4-21300 4Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server MemoryNEMIX RAM · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 64GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 1 × 64GB
- Last verified price
- $378.00Sep 14, 2026
- Price/GB
- $5.91
Samsung 64GB DDR4 2400MHz PC4-19200 ECC LRDIMM 4Rx4 Quad Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory M386A8K40BM1-CRCSamsung · M386A8K40BM1-CRC · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 64GB
- Speed
- 2400 MT/s
- Latency
- 14.17 ns
- Configuration
- 1 × 64GB
- Last verified price
- $378.78Sep 14, 2026
- Price/GB
- $5.92
A-Tech 128GB Kit (4x32GB) DDR4 2400MHz PC4-19200 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT32G4D4D2400RD4N12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 128GB
- Speed
- 2400 MT/s
- Latency
- —
- Configuration
- 4 × 32GB
- Last verified price
- $763.91Sep 8, 2026
- Price/GB
- $5.97
A-Tech 64GB Kit (2x32GB) DDR4 2400MHz PC4-19200 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT32G2D4D2400RD4N12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 64GB
- Speed
- 2400 MT/s
- Latency
- —
- Configuration
- 2 × 32GB
- Last verified price
- $381.99Sep 8, 2026
- Price/GB
- $5.97
A-Tech 32GB DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Module (A-Tech Enterprise Series)A-Tech · AT32G1D4D2666RD4N12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 32GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 1 × 32GB
- Last verified price
- $194.24Aug 27, 2026
- Price/GB
- $6.07
A-Tech 64GB Kit (2x32GB) DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT32G2D4D2666RD4N12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 64GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 2 × 32GB
- Last verified price
- $388.49Sep 7, 2026
- Price/GB
- $6.07
Timetec Hynix IC DDR4 Registered ECC 1.2V 288 Pin RDIMM Server Memory RAM Module Upgrade (DDR4 2666MHz, 64GB KIT(2x32GB) 2R4)Timetec · 7 · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 64GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 2 × 32GB
- Last verified price
- $389.99Sep 14, 2026
- Price/GB
- $6.09
A-Tech 128GB Kit (2x64GB) RAM for ASUS ESC ESC4000 G3, ESC4000 G3S, ESC4000 G4X, ESC8000 G3 | DDR4 2400MHz PC4-19200 ECC LRDIMM 4Rx4 Load Reduced Server Memory UpgradeA-Tech · ASQ892 · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2400 MT/s
- Latency
- —
- Configuration
- 2 × 64GB
- Last verified price
- $780.23Sep 14, 2026
- Price/GB
- $6.10
NEMIX RAM 128GB (8X16GB) DDR4 2400MHz PC4-19200 2Rx4 1.2V CL17 288-PIN ECC RDIMM Registered Server Memory KITNEMIX RAM · MR19200-624K08-G · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 128GB
- Speed
- 2400 MT/s
- Latency
- 14.17 ns
- Configuration
- 8 × 16GB
- Last verified price
- $784.49Aug 4, 2026
- Price/GB
- $6.13
A-Tech 32GB (2X 16GB) RAM for DELL Precision T7810 | DDR4 2133MHz ECC-RDIMM PC4-17000 2Rx4 1.2V 288-Pin ECC Registered Server Memory Upgrade KitA-Tech · AOH583 · New
- Type
- DDR4 · RDIMM
- Capacity
- 32GB
- Speed
- 2133 MT/s
- Latency
- —
- Configuration
- 2 × 16GB
- Last verified price
- $196.63Sep 9, 2026
- Price/GB
- $6.15
A-Tech 32GB (2X 16GB) RAM for DELL Precision Workstation T5810 Ddr4 | DDR4 2133MHz ECC-RDIMM PC4-17000 2Rx4 1.2V 288-Pin ECC Registered Server Memory Upgrade KitA-Tech · AOH549 · New
- Type
- DDR4 · RDIMM
- Capacity
- 32GB
- Speed
- 2133 MT/s
- Latency
- —
- Configuration
- 2 × 16GB
- Last verified price
- $196.63Sep 14, 2026
- Price/GB
- $6.15
A-Tech DDR4 RAM 32GB Kit (2x16GB) 2666MHz PC4-21300 SODIMM Laptop MemoryA-Tech · AT16G2D4S2666NA0N12V · New
- Type
- DDR5 · RDIMM · LRDIMM
- Capacity
- 32GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 2 × 16GB
- Last verified price
- $196.99Sep 14, 2026
- Price/GB
- $6.16
A-Tech DDR4 RAM 64GB Kit (4x16GB) 2666MHz PC4-21300 SODIMM Laptop MemoryA-Tech · AT16G4D4S2666NA0N12V · New
- Type
- DDR5 · RDIMM · LRDIMM
- Capacity
- 64GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 4 × 16GB
- Last verified price
- $393.98Sep 14, 2026
- Price/GB
- $6.16
NEMIX RAM 32GB (2X16GB) DDR4 2400MHz PC4-19200 2Rx4 1.2V CL17 288-PIN ECC RDIMM Registered Server Memory KITNEMIX RAM · MR19200-624K02-G · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 32GB
- Speed
- 2400 MT/s
- Latency
- 14.17 ns
- Configuration
- 2 × 16GB
- Last verified price
- $197.89Aug 6, 2026
- Price/GB
- $6.18
NEMIX RAM 32GB (2X16GB) DDR4 2400MHz PC4-19200 1Rx4 1.2V CL17 288-PIN ECC RDIMM Registered Server Memory KITNEMIX RAM · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 32GB
- Speed
- 2400 MT/s
- Latency
- 14.17 ns
- Configuration
- 2 × 16GB
- Last verified price
- $197.89Aug 31, 2026
- Price/GB
- $6.18
A-Tech 32GB Kit (4x8GB) DDR4 2400MHz PC4-19200 ECC RDIMM 2Rx8 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT8G4D4D2400RD8N12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 32GB
- Speed
- 2400 MT/s
- Latency
- —
- Configuration
- 4 × 8GB
- Last verified price
- $198.34Aug 8, 2026
- Price/GB
- $6.20
NEMIX RAM 128GB (8X16GB) DDR4-2133MHz PC4-17000 2Rx4 1.2V 288-PIN ECC RDIMM Registered Server Memory KITNEMIX RAM · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 128GB
- Speed
- 2133 MT/s
- Latency
- —
- Configuration
- 8 × 16GB
- Last verified price
- $793.49Aug 6, 2026
- Price/GB
- $6.20
NEMIX RAM 128GB (4X32GB) DDR4 2133MHz PC4-17000 2Rx4 1.2V 288-PIN ECC RDIMM Registered Server Memory KITNEMIX RAM · MR17000-324K04-G · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 128GB
- Speed
- 2133 MT/s
- Latency
- —
- Configuration
- 4 × 32GB
- Last verified price
- $794.49Aug 29, 2026
- Price/GB
- $6.21
A-Tech 128GB Kit (2 x 64GB) for Dell PowerEdge T440 - DDR4 PC4-21300 2666Mhz ECC Load Reduced LRDIMM 4Rx4 - Server Specific Memory Ram (AT316657SRV-X2L2)A-Tech · AT316657SRV-X2L2 · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 2 × 64GB
- Last verified price
- $794.80Sep 14, 2026
- Price/GB
- $6.21
A-Tech 128GB Kit (2 x 64GB) for Dell PowerEdge R640 - DDR4 PC4-21300 2666Mhz ECC Load Reduced LRDIMM 4Rx4 - Server Specific Memory Ram (AT316641SRV-X2L2)A-Tech · AT316641SRV-X2L2 · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 2 × 64GB
- Last verified price
- $794.80Sep 14, 2026
- Price/GB
- $6.21
A-Tech 128GB Kit (2x64GB) RAM for Dell PowerEdge C6520, FC830, M830, R7415, R750, R750xs, T630 | DDR4 2666MHz PC4-21300 ECC LRDIMM 4Rx4 Load Reduced Server Memory UpgradeA-Tech · ASQ390 · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 2 × 64GB
- Last verified price
- $794.80Sep 14, 2026
- Price/GB
- $6.21
A-Tech 128GB Kit (2 x 64GB) for Dell Precision 7920 - DDR4 PC4-21300 2666Mhz ECC Load Reduced LRDIMM 4Rx4 - Server Specific Memory Ram (AT316785SRV-X2L2)A-Tech · AT316785SRV-X2L2 · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 2 × 64GB
- Last verified price
- $794.80Sep 14, 2026
- Price/GB
- $6.21
SAMSUNG 32GB M393A4K40CB2-CTD8Q DDR4-2666 ECC RDIMM 2Rx4 PC4-21300V-R CL19 Server MemorySamsung · M393A4K40CB2-CTD · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 32GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 1 × 32GB
- Last verified price
- $199.00Sep 11, 2026
- Price/GB
- $6.22
NEMIX RAM 128GB (2X64GB) DDR4 2933MHZ PC4-23400 4Rx4 1.2V CL21 288-PIN ECC LRDIMM Load Reduced Server Memory KIT Compatible with Apple Mac Pro 2019 7,1 Tower ComputerNEMIX RAM · 0759170861484 · New
- Type
- DDR4 · RDIMM · LRDIMM · ECC
- Capacity
- 128GB
- Speed
- 2933 MT/s
- Latency
- 14.32 ns
- Configuration
- 2 × 64GB
- Last verified price
- $796.99Sep 14, 2026
- Price/GB
- $6.23
Samsung 64GB DDR4 2666MHz PC4-21300 ECC RDIMM 4Rx4 2S2Rx4 1.2V ECC Registered DIMM Server RAM Memory - M393A8K40B22-CWDSamsung · M393A8K40B22-CWD · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 64GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 1 × 64GB
- Last verified price
- $399.00Sep 14, 2026
- Price/GB
- $6.23
Samsung Memory Bundle with 64GB (2 x 32GB) DDR4 PC4-21300 2666MHz RDIMM (2 x M393A4K40CB2-CTD) Registered Server MemorySamsung · ASIRAM20 · New
- Type
- DDR4 · RDIMM
- Capacity
- 64GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 2 × 32GB
- Last verified price
- $399.00Sep 14, 2026
- Price/GB
- $6.23
Samsung Memory Bundle with 128GB (4 x 32GB) DDR4 PC4-21300 2666MHz RDIMM (4 x M393A4K40CB2-CTD) Registered Server MemorySamsung · 3112-SAMSUNG-4300 · New
- Type
- DDR4 · RDIMM
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 4 × 32GB
- Last verified price
- $799.00Sep 14, 2026
- Price/GB
- $6.24
Micron Memory Bundle with 128GB (2 x 64GB) DDR4 PC4-23466 2933MHz Registered Server Memory (2 x MTA72ASS8G72LZ-2G9J1)Micron · ASIHLAMZ212 · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 128GB
- Speed
- 2933 MT/s
- Latency
- 14.32 ns
- Configuration
- 2 × 64GB
- Last verified price
- $799.00Sep 14, 2026
- Price/GB
- $6.24
Samsung Memory Bundle with 128GB (4 x 32GB) DDR4 PC4-21300 2666MHz Memory Compatible with Dell PowerEdge R440, R640, R740, R740XD, T440, T640 ServersSamsung · ASIRAM5 · New
- Type
- DDR4 · RDIMM
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 4 × 32GB
- Last verified price
- $799.00Aug 25, 2026
- Price/GB
- $6.24
Micron Memory Bundle with 256GB (8 x 32GB) DDR4 PC4-21333 2666MHz RDIMM (8 x MTA36ASF4G72PZ-2G6E1), Dual Ranked Registered ECC MemoryMicron · ASIHLAMZ218 · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 256GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 8 × 32GB
- Last verified price
- $1,599.00Sep 14, 2026
- Price/GB
- $6.25
Samsung Memory Bundle with 256GB (8 x 32GB) DDR4 PC4-21300 2666MHz RDIMM (8 x M393A4K40CB2-CTD) Registered Server MemorySamsung · ASIRAM22 · New
- Type
- DDR4 · RDIMM
- Capacity
- 256GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 8 × 32GB
- Last verified price
- $1,599.00Sep 7, 2026
- Price/GB
- $6.25
Samsung M393A4K40BB1-CRC 32GB DDR4-2400 LP ECC Reg Server MemorySamsung · M393A4K40BB1-CRC · New
- Type
- DDR4 · UDIMM · ECC
- Capacity
- 32GB
- Speed
- 2400 MT/s
- Latency
- —
- Configuration
- 1 × 32GB
- Last verified price
- $199.99Sep 3, 2026
- Price/GB
- $6.25
Timetec Hynix Original 32GB KIT(2x16GB) DDR4 3200MHz PC4-25600 Registered ECC 1.2V CL22 288 Pin RDIMM Server Memory Ram Module Upgrade (32GB KIT(2x16GB))Timetec · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 32GB
- Speed
- 3200 MT/s
- Latency
- 13.75 ns
- Configuration
- 2 × 16GB
- Last verified price
- $199.99Sep 14, 2026
- Price/GB
- $6.25
Timetec Hynix IC 16GB KIT(2x8GB) DDR4 2400MHz PC4-19200 Unbuffered ECC 1.2V CL17 1Rx8 Single Rank 288 Pin UDIMM Server Memory RAM Module UpgradeTimetec · 7 · New
- Type
- DDR4 · UDIMM · ECC UDIMM
- Capacity
- 16GB
- Speed
- 2400 MT/s
- Latency
- 14.17 ns
- Configuration
- 2 × 8GB
- Last verified price
- $100.99Sep 14, 2026
- Price/GB
- $6.31
Timetec 16GB KIT (2x8GB) DDR4 2666MHz PC4-21300 Unbuffered ECC 1.2V CL19 1Rx8 288 Pin UDIMM Server Memory RAM Module Upgrade (16GB KIT (2x8GB))Timetec · 71TT26EU1R8-8GK2 · New
- Type
- DDR4 · UDIMM · ECC UDIMM
- Capacity
- 16GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 2 × 8GB
- Last verified price
- $100.99Sep 14, 2026
- Price/GB
- $6.31
Timetec Hynix Original 32GB DDR4 2666MHz PC4-21300 Registered ECC 1.2V CL19 2Rx4 Dual Rank 288 Pin RDIMM Server Memory Ram Module Upgrade (32GB)Timetec · 7 · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 32GB
- Speed
- 2666 MT/s
- Latency
- 14.25 ns
- Configuration
- 1 × 32GB
- Last verified price
- $202.99Sep 14, 2026
- Price/GB
- $6.34
A-Tech DDR4 RAM 16GB 2666MHz PC4-21300 SODIMM Laptop MemoryA-Tech · AT16G1D4S2666NA0N12V · New
- Type
- DDR5 · RDIMM · LRDIMM
- Capacity
- 16GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 1 × 16GB
- Last verified price
- $101.54Sep 14, 2026
- Price/GB
- $6.35
A-Tech 32GB Kit (2x16GB) DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx8 Dual Rank 1.2V ECC Registered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)A-Tech · AT16G2D4D2133RD8N12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 32GB
- Speed
- 2133 MT/s
- Latency
- —
- Configuration
- 2 × 16GB
- Last verified price
- $203.13Aug 26, 2026
- Price/GB
- $6.35
SK HYNIX 32GB HMA84GR7MFR4N-UH DDR4-2400 ECC RDIMM 2Rx4 PC4-19200T-R CL17 Server MemorySK Hynix · HMA84GR7MFR4N-UH · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 32GB
- Speed
- 2400 MT/s
- Latency
- 14.17 ns
- Configuration
- 1 × 32GB
- Last verified price
- $204.50Sep 14, 2026
- Price/GB
- $6.39
NEMIX RAM 128GB (8X16GB) DDR4 2400MHZ PC4-19200 2Rx8 1.2V CL17 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with ASRock Rack ROMED8-2T AMD EPYC MotherboardNEMIX RAM · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 128GB
- Speed
- 2400 MT/s
- Latency
- 14.17 ns
- Configuration
- 8 × 16GB
- Last verified price
- $823.89Sep 14, 2026
- Price/GB
- $6.44
NEMIX RAM 128GB (8X16GB) DDR4 2400MHz PC4-19200 1Rx4 1.2V CL17 288-PIN ECC RDIMM Registered Server Memory KITNEMIX RAM · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 128GB
- Speed
- 2400 MT/s
- Latency
- 14.17 ns
- Configuration
- 8 × 16GB
- Last verified price
- $823.89Sep 14, 2026
- Price/GB
- $6.44
NEMIX RAM 64GB (4X16GB) DDR4 2400MHZ PC4-19200 2Rx8 1.2V CL17 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with ASRock ROMED8-2T AMD EPYC MotherboardNEMIX RAM · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 64GB
- Speed
- 2400 MT/s
- Latency
- 14.17 ns
- Configuration
- 4 × 16GB
- Last verified price
- $414.89Sep 5, 2026
- Price/GB
- $6.48
NEMIX RAM 64GB (4X16GB) DDR4 2133MHz PC4-17000 2Rx4 1.2V 288-PIN ECC RDIMM Registered Server Memory KITNEMIX RAM · MR17000-624K04-411 · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 64GB
- Speed
- 2133 MT/s
- Latency
- —
- Configuration
- 4 × 16GB
- Last verified price
- $419.49Sep 14, 2026
- Price/GB
- $6.56
Crucial Bundle with 64GB (2 x 32GB) DDR4 PC4-21300 2666MHz RDIMM (2 x CT32G4RFD4266), Dual Ranked Registered ECC MemoryCrucial · RAMKIT13A · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 64GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 2 × 32GB
- Last verified price
- $419.99Sep 14, 2026
- Price/GB
- $6.56
Hynix 16Gb (1X16gb) DDR4 PC4-17000 2133Mhz Ecc Registered Server Memory Model HMA42GR7AFR4N-TFSK Hynix · HMA42GR7AFR4N-TF · New
- Type
- DDR4 · UDIMM · RDIMM · ECC
- Capacity
- 16GB
- Speed
- 2133 MT/s
- Latency
- —
- Configuration
- 1 × 16GB
- Last verified price
- $105.00Aug 20, 2026
- Price/GB
- $6.56
A-Tech 128GB DDR4 2666MHz PC4-21300 ECC LRDIMM 8Rx4 (3DS 2S4Rx4) Octal Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory Upgrade Module (A-Tech Enterprise Series)A-Tech · AT128G1D4D2666LO43DSN12V · New
- Type
- DDR4 · RDIMM · LRDIMM
- Capacity
- 128GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 1 × 128GB
- Last verified price
- $843.83Aug 10, 2026
- Price/GB
- $6.59
Timetec Hynix IC 64GB KIT(2x32GB) DDR4 3200MHz PC4-25600 Unbuffered ECC UDIMM 1.2V CL22 2Rx8 Dual Rank 260 Pin SODIMM Memory RAM Module Upgrade (64GB KIT(2x32GB))Timetec · 7 · New
- Type
- DDR4 · SODIMM · ECC UDIMM
- Capacity
- 64GB
- Speed
- 3200 MT/s
- Latency
- 13.75 ns
- Configuration
- 2 × 32GB
- Last verified price
- $429.99Sep 11, 2026
- Price/GB
- $6.72
A-Tech 64GB (2x32GB) Memory for Dell PowerEdge R440, T440, R540, R640, T640, M640, FC640, R740, R740XD, R940, C6420 | DDR4 2666MHz ECC RDIMM PC4-21300 2Rx4 1.2V 288-Pin DIMM Server RAM Upgrade KitA-Tech · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 64GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 2 × 32GB
- Last verified price
- $431.64Sep 7, 2026
- Price/GB
- $6.74
A-Tech 64GB Kit (2 x 32GB) for Dell PowerEdge T440 - DDR4 PC4-21300 2666Mhz ECC Registered RDIMM 2Rx4 - Server Memory Ram Compatible Replacement for SNPTN78YC/32G (AT316657SRV-X2R5)A-Tech · AT316657SRV-X2R5 · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 64GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 2 × 32GB
- Last verified price
- $431.64Sep 2, 2026
- Price/GB
- $6.74
A-Tech 32GB Memory for Dell PowerEdge R440, T440, R540, R640, T640, M640, FC640, R740, R740XD, R940, C6420 | DDR4 2666MHz ECC RDIMM PC4-21300 2Rx4 1.2V 288-Pin DIMM Server RAM Upgrade ModuleA-Tech · New
- Type
- DDR4 · RDIMM · ECC
- Capacity
- 32GB
- Speed
- 2666 MT/s
- Latency
- —
- Configuration
- 1 × 32GB
- Last verified price
- $215.83Sep 8, 2026
- Price/GB
- $6.75
No matching RAM offers were found. Try a broader capacity, speed or form-factor filter.
What ECC memory does
Error-correcting code memory can detect and correct certain memory errors. It is used where data integrity and uptime matter, but ECC capability requires support from the processor, motherboard and firmware.
ECC UDIMM versus RDIMM
ECC UDIMM is unbuffered memory with error correction and is used by selected workstations and entry servers. RDIMM includes a register that reduces electrical load and allows larger server configurations. They require different platform support.
What LRDIMM is
Load-reduced DIMM adds buffering that enables very high capacities in compatible servers. It cannot be treated as an ordinary RDIMM unless the server documentation explicitly supports it.
DDR4 and DDR5 server memory
DDR4 and DDR5 server modules differ physically and electrically. DDR5 also includes on-die error correction inside memory chips, which is not the same as system-level ECC protection exposed to the platform.
Capacity and rank organization
Server compatibility can depend on capacity, rank, organization such as x4 or x8, voltage and population rules. Two modules with the same total capacity may not be interchangeable.
Server population rules
Servers often specify which slots to fill first and may reduce speed when more channels or ranks are populated. Follow the platform memory installation guide rather than arranging modules only by convenience.
New modules versus system pulls
Used or system-pull server memory may reduce cost, but seller testing, firmware compatibility, warranty and exact part numbers become more important. Keep condition filters visible when comparing.
How to compare ECC prices
Filter by DDR generation and RDIMM or UDIMM first. Then compare capacity, speed, part number, rank organization, condition, seller and price per GB. The cheapest incompatible module has no practical value.
How Cloudzat compares RAM
Cloudzat compares capacity, module count, DDR generation, form factor, data rate, CAS latency, memory profile, condition and warranty information before calculating price per gigabyte. Accessories, lighting-only dummy modules and complete computers are excluded from ordinary RAM comparisons. Price history starts with the first observed marketplace price rather than an estimated earlier baseline.
Compatibility guidance is rules-based. Confirm the exact motherboard, laptop or processor specification with the manufacturer before purchase. Intel publishes XMP-certified memory information, AMD documents EXPO profiles for compatible AM5 systems, and system vendors or memory manufacturers may provide device-specific compatibility tools.
Questions answered
ECC Server RAM Prices FAQ
Can ECC RDIMM work in a normal desktop motherboard?
No, unless the motherboard and processor specifically support registered memory, which ordinary consumer platforms generally do not.
Can ECC UDIMM and RDIMM be mixed?
No. They use different buffering architectures and are not interchangeable.
Is DDR5 on-die ECC the same as server ECC?
No. On-die ECC operates inside the memory chip and does not replace end-to-end platform ECC support.
Can DDR4 RDIMM be used in a DDR5 server?
No. The generations are physically and electrically incompatible.
Is used server RAM safe to buy?
It can be economical when the exact part is compatible and the seller provides testing and a useful return or warranty policy.
Amazon prices and availability can change. Links may be affiliate links. Verify the exact part number, capacity, module type and warranty before ordering.