Drive comparison
ST16000DM001 vs HDWR51GUZSVA
Seagate BarraCuda 16TB and Toshiba X300 16TB, compared using published manufacturer specifications.

Seagate
BarraCuda 16TB
ST16000DM001
SATA 6 Gb/s · 3.5-inch
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Amazon US · New listing ↗ASIN B0F1NK18LK
Full specifications & all listings →Toshiba
X300 16TB
HDWR51GUZSVA
SATA 6 Gb/s · 3.5-inch
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What differs between these models?
The recorded specifications do not establish a performance advantage for either model. Compare compatibility, the exact offer and the manufacturer documents below.
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 | ST16000DM001 | HDWR51GUZSVA |
|---|---|---|
| Manufacturer | Seagate | Toshiba |
| Product family | BarraCuda | X300 |
| Model number | ST16000DM001 | HDWR51GUZSVA |
| Capacity (TB) | 16 | 16 |
| Interface | SATA 6 Gb/s | SATA 6 Gb/s |
| Recording | CMR | Not recorded |
| Cache (MB) | 512 | Not recorded |
| Form factor | 3.5-inch | 3.5-inch |
| Load/unload cycles | 600000 | Not recorded |
| Power-on hours per year | 2400 | Not recorded |
| Workload rating (TB/year) | 120 | Not recorded |
| Manufacturer limited warranty | 2 years (eligible new drives) | 2 years (eligible new drives) |
| RPM | Not recorded | 7200 |
| Package / region | Not recorded | Bulk / EMEA |
Compatibility and buying checks
- Compare new and renewed offers separately. The manufacturer specification does not guarantee the warranty or return policy of a marketplace seller.
Manufacturer sources
ST16000DM001
Seagate BarraCuda manufacturer specifications ↗ · pages 2
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.
HDWR51GUZSVA
Toshiba X300 manufacturer specifications ↗
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.