Seagate · PC / gaming
ST6000DM003
BarraCuda 6TB
SATA 6 Gb/s · 3.5-inch · SMR
Exact Amazon US product
$249.00
View on Amazon US ↗New listing · ASIN B075WX2TKM
Price as of Sep 12, 2026 11:46 UTC
The Seagate ST6000DM003 is a 6TB BarraCuda hard drive for desktop and gaming storage, using SATA 6 Gb/s in a 3.5-inch form factor.
Manufacturer specifications
| Model number | ST6000DM003 |
|---|---|
| Nominal capacity | 6 TB · 6000 GB |
| Interface | SATA 6 Gb/s |
| Recording | SMR |
| Cache (MB) | 256 |
| Form factor | 3.5-inch |
| Load/unload cycles | 600000 |
| Power-on hours per year | 2400 |
| Workload rating (TB/year) | 55 |
| Manufacturer limited warranty | 2 years (eligible new drives) |
Source: Seagate BarraCuda manufacturer specifications, pages 3. Reviewed 2026-09-07. Published specifications, not our benchmark results.
What the specifications mean
- SMR recording is specified for this exact model. For an array or frequent rewrites, check whether its SMR design suits the workload.
- 55 TB/year workload rating. This is a workload limit, not a promise of drive lifespan or a backup guarantee.
Before ordering
Match ST6000DM003, 6TB and SATA 6 Gb/s against the selected offer. Check your system’s exact-model compatibility list and the seller’s warranty and return terms.
Amazon US listings
Exact model matches on Amazon.com. A verified ASIN identifies the product; it does not guarantee current stock. Check the selected variant, condition and seller.
Amazon US · ASIN B075WX2TKM
$249.00 · as of Sep 12, 2026 11:46 UTC
Amazon US · ASIN B07JYQM67F
$272.00 · as of Sep 12, 2026 11:46 UTC
Amazon US · ASIN B0893NY1D4
Same-capacity alternatives with Amazon US links
These models share the drive type, interface class and capacity. Compare their specifications and your system requirements before choosing a replacement.
Western Digital · WD_BLACK
WD6003FZBX
6TB · SATA 6Gb/s · CMR
Compare with ST6000DM003 →View on Amazon US ↗ASIN B07X64KK53 · Check price and conditionWestern Digital · WD_BLACK
WD6004FZBX
6TB · SATA 6Gb/s · CMR
Compare with ST6000DM003 →View on Amazon US ↗ASIN B0D1TZTSJW · Check price and conditionSeagate · Desktop HDD
ST6000DM001
6TB · SATA 6 Gb/s
Compare with ST6000DM003 →View on Amazon US ↗ASIN B013JPKYQC · Check price and conditionST6000DM003 questions answered
Is ST6000DM003 CMR or SMR?
The manufacturer lists SMR recording for ST6000DM003. Other models and capacities in the same family can differ.
What connection does ST6000DM003 need?
ST6000DM003 uses SATA 6 Gb/s and a 3.5-inch form factor. Match both with the computer, controller or enclosure. An M.2 slot, 2.5-inch bay and 3.5-inch bay are not interchangeable.
How much usable space does ST6000DM003 provide?
Its nominal capacity is 6000 GB, approximately 5587.9 GiB before formatting. The filesystem, reserved space and any RAID redundancy reduce usable capacity further.
What warranty is listed for ST6000DM003?
Manufacturer specification: 2 years (eligible new drives). A renewed, used, OEM or imported offer can have different coverage. Check the serial number and seller terms before buying.