Seagate · PC / gaming
ST1000DM003
Desktop HDD 1TB
SATA 6 Gb/s · 3.5-inch
Exact Amazon US product
$73.64
View on Amazon US ↗New listing · ASIN B005T3GRNW
Price as of Sep 12, 2026 04:49 UTC
The Seagate ST1000DM003 is a 1TB Desktop HDD hard drive for desktop and gaming storage, using SATA 6 Gb/s in a 3.5-inch form factor.
Manufacturer specifications
| Model number | ST1000DM003 |
|---|---|
| Nominal capacity | 1 TB · 1000 GB |
| Interface | SATA 6 Gb/s |
| Cache (MB) | 64 |
| Form factor | 3.5-inch |
| Average idle power (W) | 4.6 |
| Power-on hours per year | 2400 |
| Workload rating (TB/year) | 55 |
| Average operating power (W) | 5.3 |
| Manufacturer limited warranty | 2 years (eligible new drives) |
| Sustained transfer (up to MB/s) | 210 |
Source: Seagate Desktop HDD manufacturer specifications, pages 3. Reviewed 2026-09-07. Published specifications, not our benchmark results.
What the specifications mean
- Up to 210 MB/s sustained transfer, as specified by the manufacturer. This is not a measured game-loading or random-I/O result.
- 55 TB/year workload rating. This is a workload limit, not a promise of drive lifespan or a backup guarantee.
Before ordering
Match ST1000DM003, 1TB 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 B005T3GRNW
$73.64 · as of Sep 12, 2026 04:49 UTC
Amazon US · ASIN B08643PJ1F
$75.18 · as of Sep 12, 2026 11:45 UTC
Amazon US · ASIN B088XR5V85
$41.00 · as of Sep 12, 2026 10:55 UTC
Amazon US · ASIN B005T3GRNW
$43.00 · as of Sep 12, 2026 04:49 UTC
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 Blue
WD10EARZ
1TB · SATA 6Gb/s · CMR
Compare with ST1000DM003 →View on Amazon US ↗ASIN B0CMLPSL14 · Check price and conditionWestern Digital · WD Blue
WD10EZEX
1TB · SATA 6Gb/s · CMR
Compare with ST1000DM003 →View on Amazon US ↗ASIN B0088PUEPK · Check price and conditionWestern Digital · WD_BLACK
WD1003FZEX
1TB · SATA 6Gb/s · CMR
Compare with ST1000DM003 →View on Amazon US ↗ASIN B00GWG03XK · Check price and conditionST1000DM003 questions answered
What connection does ST1000DM003 need?
ST1000DM003 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 ST1000DM003 provide?
Its nominal capacity is 1000 GB, approximately 931.3 GiB before formatting. The filesystem, reserved space and any RAID redundancy reduce usable capacity further.
What warranty is listed for ST1000DM003?
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.