Drive comparison
ST6000NT001 vs WD6005FFBX
Seagate IronWolf Pro 6TB and Western Digital WD Red Pro 6TB, compared using published manufacturer specifications.
Seagate
IronWolf Pro 6TB
ST6000NT001
SATA 6 Gb/s · 3.5-inch
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Amazon US · New listing ↗ASIN B0B94LJY51
Full specifications & all listings →Western Digital
WD Red Pro 6TB
WD6005FFBX
SATA 6Gb/s · 3.5-inch
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What differs between these models?
- Interface: ST6000NT001 lists SATA 6 Gb/s; WD6005FFBX lists SATA 6Gb/s.
- Sustained transfer (up to MB/s): ST6000NT001 lists 250; WD6005FFBX lists 267.
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 | ST6000NT001 | WD6005FFBX |
|---|---|---|
| Manufacturer | Seagate | Western Digital |
| Product family | IronWolf Pro | WD Red Pro |
| Model number | ST6000NT001 | WD6005FFBX |
| Capacity (TB) | 6 | 6 |
| RPM | 7200 | 7200 |
| Interface | SATA 6 Gb/s | SATA 6Gb/s |
| Recording | CMR | CMR |
| Cache (MB) | 256 | 256 |
| Form factor | 3.5-inch | 3.5-inch |
| Power-on hours per year | 8760 | Not recorded |
| Workload rating (TB/year) | 550 | 550 |
| Average operating power (W) | 9.3 | Not recorded |
| Rotational vibration sensors | Yes | Not recorded |
| Manufacturer limited warranty | 5 years (eligible new drives) | 5 years (eligible new drives) |
| Sustained transfer (up to MB/s) | 250 | 267 |
| Physical sector size (bytes) | Not recorded | 4096 |
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
ST6000NT001
Seagate IronWolf Pro manufacturer specifications ↗ · pages 3
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.
WD6005FFBX
Western Digital WD Red Pro manufacturer datasheet ↗
Reviewed 2026-08-21. Published specifications; no independent benchmark or failure-rate claim.