SAS prices can look confusing because the same enterprise family may appear in several capacities, sector formats and OEM versions. The useful comparison is the current price of a clearly identified SAS HDD divided by capacity, while keeping condition and warranty consistent. This page is designed as the price hub for the entire SAS capacity cluster.
Compare SAS drives at the same condition and interface first, then use price per TB to identify the strongest value. A lower sticker price can still be poor value when the capacity is much smaller.
See compatible products ↓Current SAS Hard Drives on Amazon 8
Compare 3.5-inch enterprise SAS hard drives that match the capacity and interface on this page. SATA drives, SSDs, trays and accessories are kept separate so you can focus on compatible SAS HDDs.
A saving badge appears only when fresh Amazon data supplies a comparable reference price for the same ASIN.
Seagate Exos 7E8 ST4000NM005A 4 TB Hard Drive - Internal - SAS (12Gb/s SAS)
4TB · $58.75/TB
HGST HGST Ultrastar 7K4000 4 TB 3.5" 7200 RPM SAS Internal Enterprise Hard Drive 64 MB cache 12Gb/s - HUS724040ALS640 / 0B26885 64 MB Cache 3.5-Inch Internal Bare or OEM Drives 0B26885
4TB · $41.23/TB
Dell 4TB HDD SAS 3,5 Inch 7,2K Near Line, 202V7 (Near Line)
4TB · $40.00/TB
Hpe 846523-004 4TB 7.2K 12G MIDLINE LFF SAS SC Hard Drive
4TB · $53.00/TB
Seagate Exos 7E8 ST6000NM029A 6 TB Hard Drive - Internal - SAS (12Gb/s SAS) - 7200rpm - 512e Format - 5 Year Warranty
6TB · $53.00/TB
HGST Ultrastar 7K6000 4TB 7200 RPM 512e SAS 12Gb/s 128MB Cache 3.5-Inch Enterprise Internal Hard Disk Drive - HUS726040AL5210 (0F22795)
4TB · $44.75/TB
Dell M40TH 8TB 7.2K 12G LFF SAS 512E Hard Drive
8TB · $45.00/TB
Hpe 834031-B21 8TB 7.2K LFF SAS Hard Drive
8TB · $32.75/TB
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 7E10 ST4000NM000B - Hard Drive - 4 TB - SATA 6Gb/s | 2 Million Hour MTBF, 550TB Workload Rate, Data Centers, RAID Systems, Cloud Storage
4TB · $69.52/TB
HGST Ultrastar He6 6TB 3.5" SATA 7200 RPM Enterprise Internal Hard Drive with 64Mb Cache - HUS726060ALA640/ 0F18335 64 MB Cache 3.5-Inch Internal Bare or OEM Drives 0F18335
6TB · $22.50/TB
![Toshiba MG09ACA18TE 18 TB Hard Drive - 3.5 Internal - SATA [SATA/600]](https://m.media-amazon.com/images/I/41LMzYKRp7L._SL160_.jpg)
Toshiba MG09ACA18TE 18 TB Hard Drive - 3.5 Internal - SATA [SATA/600]
18TB · $47.06/TB
Seagate Exos 7E8 6TB Internal Hard Drive Enterprise HDD – CMR 3.5 Inch 512E SATA 6Gb/s 7200 RPM 128MB Cache for Enterprise, Data Center – Frustration Free Packaging (ST6000NM021A)
6TB · $54.73/TB
HGST Ultrastar 7K6000 HUS726060ALE610 0F23001 6TB 7200 RPM SATA 3.5" 512E ISE 128MB Cache Enterprise Hard Drive
6TB · $31.67/TB
Toshiba MG09ACA16TE / JP-EC 7,200 RPM, SATA 24x7, RV Sensor, Helium-Filled Hard Drive, 3.5 Inch Enterprise Grade Hard Drive, 16 TB (CMR), Authorized Japanese Dealer, 5 Year Warranty
16TB · $55.88/TB
Seagate Exos 7E8 8TB Enterprise Capacity HDD - 7200 RPM, 256MB Cache, SATA III 6 Gb/s Interface, 3.5" Internal Hard Drive, Crypto Chia Mining - ST8000NM0055
8TB · $46.88/TB
HGST Ultrastar 7K4000 4 TB 3.5" 7200 RPM SATA Internal Enterprise Hard Drive 64 MB Buffer 6.0Gb/s - HUS724040ALA640 / 0F14688 64 MB Cache 3.5-Inch Internal Bare or OEM Drives 0F14688
4TB · $50.00/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
Enterprise SAS inventory includes current models, OEM-qualified versions and older stock. Two listings with the same capacity can therefore differ materially in price even before condition and warranty are considered.
The cleanest comparison is to normalize by capacity, then check the exact model family and the terms of the listing. This avoids calling a smaller drive cheap when it is expensive on a per-terabyte basis.
What should you compare before buying?
| Option | Best fit | Check before buying |
|---|---|---|
| Sticker price | Total purchase price | Useful for budget limits |
| Price per TB | Capacity-adjusted value | Best for comparing sizes |
| Array cost | Drive count × price | Best for planning a pool |
| Usable capacity cost | Array price ÷ usable TB | Best final metric |
SAS Price per TB Calculator
Compare two drives using the same currency and condition.
SAS hard drive buying guide
Why SAS prices vary so much
How to use price per TB
Divide the drive price by advertised terabytes to get a simple $/TB or £/TB figure. For an array, the more useful number is total array cost divided by usable capacity after redundancy.
A capacity with the lowest drive-level price per TB may still be the wrong choice if it forces more bays, more HBAs or a larger chassis.
Why last-verified prices are labelled by age
Enterprise listings can disappear or change seller quickly. Previously verified observations remain dated rather than being replaced with guessed prices.
A last-verified observation is shown as last verified, not as a fresh offer. Checkout remains the final source of price and availability.
Related SAS buying guides
Frequently asked questions
How often should SAS prices be checked?
For active buying decisions, compare current listings before checkout. Enterprise inventory can move quickly, especially for specific OEM part numbers.
What is a good SAS price per TB?
There is no permanent threshold because inventory changes. Compare the current same-condition listings across several capacities and brands.
Why are OEM drives more expensive?
They can include server qualification, vendor firmware or support expectations that standard enterprise drives do not carry.
Should I include the HBA in my cost comparison?
Yes if the system does not already have SAS support. The complete build cost is more useful than drive price alone.
Manufacturer and platform references
Cloudzat may earn a commission from qualifying Amazon purchases. Prices and availability can change. A last-verified price is shown with its verification age rather than presented as a fresh offer.