10TB can fit well where an existing array already uses 10TB members or where chassis limits make 8TB too small but 12TB unnecessarily expensive. Below you can compare current 10TB enterprise SAS HDDs, same-capacity SATA alternatives, and the HBA or cabling hardware you may need to use the drive correctly.
Buy 10TB SAS when it fits the array geometry or replacement requirement. For new arrays, compare 10TB against 12TB and 14TB on usable cost per TB.
See compatible products ↓Current 10TB SAS Hard Drives on Amazon 7
Compare 10TB enterprise SAS HDDs here. SATA versions, SAS SSDs, smaller high-RPM drives, trays, cables and accessories are kept separate so you can compare like with like.
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Seagate Exos 7E10 10TB Internal Hard Drive HDD - 3.5 Inch 4Kn SAS 12GB/s, 7.200 RPM, 256MB Cache and 2M MTBF for Enterprise, Data Centre (ST10000NM003B)
10TB · $45.23/TB
HGST 0F27353 ULTRASTAR HE10 3.5 inch10TB SAS 12Gb/s 256MB 7200RPM 512e TCG Retail
10TB · $42.50/TB
New Sealed 857965-001 HPE 10TB SAS 12G MIDLINE 7.2K LFF (3.5IN) SC Hard Drive 857644-B21
10TB · $38.85/TB
Seagate Exos X14 ST10000NM0528 10 TB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS)
10TB · $47.77/TB
HGST Ultrastar He10 HUH721010AL5200 10 TB 3.5" Internal Hard Drive Interface Standard: 12Gb/s SAS: 7200
10TB · $59.90/TB
Seagate Exos X10 Enterprise Hard Drive ST10000NM0096 10 TB - SAS 12Gb/s
10TB · $55.00/TB
Seagate Exos 7E10 10TB Internal Hard Drive HDD - 3.5 Inch 512e/4KN SAS 12GB/s, 7.200 RPM, 256MB Cache and 2M MTBF for Enterprise, Data Centre (ST10000NM018B)
10TB · $58.37/TB
10TB Enterprise SATA Alternatives 8
These are enterprise SATA HDDs, shown separately so a lower-cost SATA listing is never mistaken for a SAS drive. They can make sense when your server does not require SAS features.
Seagate Exos X10 ST10000NM0126 10TB 7200 RPM SATA 6Gb/s 512e 256MB 3.5in Enterprise Hard Drive
10TB · $40.00/TB
Hitachi HGST Ultrastar He10 | HUH721010ALN600 | 0F27502 | 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" 4Kn Helium Platform Enterprise Hard Drive Bare Drive
10TB · $37.18/TB
Seagate Exos x10 10TB SATA 6Gb/s 256MB Cache Enterprise Hard Drive 3.5" (ST10000NM0086)
10TB · $46.97/TB
HGST WD Ultrastar DC HC510 10TB 7200 RPM SATA 6Gb/s 3.5" Helium Platform Enterprise Hard Disk Drive - HUH721010ALE604 (0F27606)
10TB · $42.90/TB
Seagate Exos X18 ST10000NM018G 10TB 512E/4KN SATA 6.0Gb/s 7200RPM 256MB Enterprise Hard Drive
10TB · $56.44/TB
WD WUS721010ALE6L4 Ultrastar DC HC330 0B42266 10TB 7200 RPM SATA 6Gb/s 256MB Cache 3.5-Inch Enterprise Hard Drive
10TB · $48.45/TB
Seagate Exos 7E10 ST10000NM017B 10 TB Hard Drive - Internal - SATA (SATA/600) - Storage System, Video Surveillance System Device Supported - 7200rpm - 512e/4Kn Format
10TB · $68.45/TB
Western Digital HUH721010ALE604 10TB Ultrastar DC HC510 SATA HDD - 7200 RPM Class, SATA 6 Gb/s, 256MB Cache, 3.5"
10TB · $52.90/TB
SAS Hardware You May Also Need 8
A SAS hard drive needs the right host hardware. Compare HBAs and cables only after checking the connector on your controller or backplane.
SAS HBA Card Compatible with LSI 9300-8i IT Mode 9211-8i 9207-8i | PCIe 3.0 x8, 2x 8643 Internal, PCIe SATA Expansion Card, 12Gb/s SAS + SATA 6Gb/s, HBA Controller for ZFS TrueNAS unRAID NAS
SAS infrastructure
SAS HBA Card Compatible with LSI 9300-8i & D3307 IT Mode HBA Controller | SAS3008, PCIe 3.0 x8, 2x SFF-8643 Internal, 12Gb/s SAS + SATA 6Gb/s, PCIe SATA Expansion Card for ZFS TrueNAS unRAID NAS
SAS infrastructure
2-Pack SFF-8643 to 4x SFF-8482 SAS Forward Breakout Cable 0.5m, 12Gbps | Two 0.5m/1.6ft SAS-3 cables with 29+15-pin power connect up to 8 SAS HDDs/SSDs; for LSI 9300-8i and Broadcom 9400-8i
SAS infrastructure
LSI Logic SAS 9300-8e SGL LSI00343
SAS infrastructure
ADCAUDX Mini-SAS to SAS Cable: 0.5M SFF-8087 to SAS SFF-8087 to SFF-8482 | 4X SFF-8482 Connector with SATA Power Adapter Cable (1.6FT)
SAS infrastructure
Sonilco Storage Configurations Cable Mini SAS HDD SFF-8643 to 4 SFF-8482 with 15-pin Power Port Cord (1 Cable, 0.5 Meter / 1.6 Feet)
SAS infrastructure
NGFF Internal Slimline SAS HD SFF-8654 Host Controller to 4 SFF-8482 Target SAS Hard Disk and SATA Power Breakout Fanout Cable (100cm)
SAS infrastructure
CableCreation Mini SAS 26Pin (SFF-8088) Male to 4 SATA 7Pin Female Cable, Mini SAS Host/Controller to 4 SATA Target/Backplane, 1M / 3.3FT
SAS infrastructure
SAS cables are not universal. Confirm the HBA, backplane and connector standard before ordering.
Why this buying advice matters
10TB can fit well where an existing array already uses 10TB members or where chassis limits make 8TB too small but 12TB unnecessarily expensive.
What should you compare before buying?
| Option | Best fit | Check before buying |
|---|---|---|
| 10TB Seagate Exos SAS | High-capacity server and array use | Verify exact SAS part number |
| 10TB WD Ultrastar SAS | Enterprise storage and dense arrays | Verify SAS model and sector format |
| 10TB Toshiba MG SAS | Enterprise capacity alternative | Verify MG SAS part number |
| 10TB enterprise SATA | Lower controller complexity | Not a SAS replacement when SAS features are required |
SAS Price per TB Calculator
Compare two drives using the same currency and condition.
SAS hard drive buying guide
Is a 10TB SAS hard drive the right size?
How to compare 10TB SAS prices
Compare only clearly identified 10TB SAS HDDs at the same condition. Divide the current drive price by 10 to get a simple price-per-TB figure, then compare that with the neighboring capacity pages.
For an array, multiply the drive price by the planned drive count and divide by usable capacity after redundancy. That exposes cases where a slightly larger drive reduces bay and controller requirements enough to justify the higher unit price.
What to check before installing a 10TB SAS drive
Confirm the HBA or RAID controller supports the drive, and match the cable to the controller connector. A SAS drive cannot be made compatible with a SATA-only motherboard port through a passive adapter.
For replacements, check the existing array sector format, tray or caddy, firmware expectations and actual usable capacity. Enterprise labels can look similar even when the interface or format differs.
When a SATA alternative makes more sense
A same-capacity enterprise SATA drive can be a sensible alternative in a server that does not require dual-port SAS and already has SATA connectivity.
Keep SATA alternatives separate from the SAS results so the cheaper interface is not mistaken for a like-for-like SAS replacement.
Related SAS buying guides
Frequently asked questions
What is a good price for a 10TB SAS hard drive?
Use the current price per TB rather than a fixed threshold. Divide the live price by 10 and compare it with neighboring capacities and the same-capacity SATA alternatives.
Can I use a 10TB SAS drive in a normal desktop?
Yes only with a compatible SAS HBA or controller and the correct cable. A standard SATA motherboard port cannot directly run a SAS drive.
Should I buy 10TB SAS or SATA?
Choose SAS when your server, backplane or storage design requires SAS features. Choose SATA when the system supports it and lower cost or simpler connectivity is more important.
Do all 10TB enterprise drives use the same sector format?
No. Check the exact listing and model documentation for 512e, 4Kn or other enterprise formatting before adding it to an existing array.
Manufacturer and platform references
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