Drive comparison
ST1000DM003 vs ST1000DM014
Seagate Desktop HDD 1TB and Seagate BarraCuda 1TB, compared using published manufacturer specifications.
Seagate
Desktop HDD 1TB
ST1000DM003
SATA 6 Gb/s · 3.5-inch
$73.64
Amazon US · New listing ↗ASIN B005T3GRNW · as of Sep 12, 2026 04:49 UTC
Full specifications & all listings →
Seagate
BarraCuda 1TB
ST1000DM014
SATA 6 Gb/s · 3.5-inch
$99.99
Amazon US · New listing ↗ASIN B0BXGB9GVP · as of Sep 12, 2026 11:02 UTC
Full specifications & all listings →As an Amazon Associate I earn from qualifying purchases. Match the selected variant, condition and seller terms before ordering.
What differs between these models?
- Cache (MB): ST1000DM003 lists 64; ST1000DM014 lists 256.
A larger cache, higher RPM or higher advertised sequential speed alone does not establish which drive is better for your workload.
Specifications side by side
| Specification | ST1000DM003 | ST1000DM014 |
|---|---|---|
| Manufacturer | Seagate | Seagate |
| Product family | Desktop HDD | BarraCuda |
| Model number | ST1000DM003 | ST1000DM014 |
| Capacity (TB) | 1 | 1 |
| Interface | SATA 6 Gb/s | SATA 6 Gb/s |
| Cache (MB) | 64 | 256 |
| Form factor | 3.5-inch | 3.5-inch |
| Average idle power (W) | 4.6 | Not recorded |
| Power-on hours per year | 2400 | 2400 |
| Workload rating (TB/year) | 55 | 55 |
| Average operating power (W) | 5.3 | Not recorded |
| Manufacturer limited warranty | 2 years (eligible new drives) | 2 years (eligible new drives) |
| Sustained transfer (up to MB/s) | 210 | Not recorded |
| Recording | Not recorded | SMR |
| Load/unload cycles | Not recorded | 600000 |
Compatibility and buying checks
- One or both drives use SMR recording. Check sustained-write and array requirements before choosing one for a NAS or a write-heavy workload.
- Compare new and renewed offers separately. The manufacturer specification does not guarantee the warranty or return policy of a marketplace seller.
Manufacturer sources
ST1000DM003
Seagate Desktop HDD manufacturer specifications ↗ · pages 3
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.
ST1000DM014
Seagate BarraCuda manufacturer specifications ↗ · pages 4
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.