Drive comparison
ST6000VN006 vs WD60EFZX
Seagate IronWolf 6TB and Western Digital WD Red Plus 6TB, compared using published manufacturer specifications.
Seagate
IronWolf 6TB
ST6000VN006
SATA 6 Gb/s · 3.5-inch
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WD Red Plus 6TB
WD60EFZX
SATA 6Gb/s · 3.5-inch
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What differs between these models?
- RPM: ST6000VN006 lists 5400; WD60EFZX lists 5640.
- Interface: ST6000VN006 lists SATA 6 Gb/s; WD60EFZX lists SATA 6Gb/s.
- Cache (MB): ST6000VN006 lists 256; WD60EFZX lists 128.
- Sustained transfer (up to MB/s): ST6000VN006 lists 202; WD60EFZX lists 185.
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 | ST6000VN006 | WD60EFZX |
|---|---|---|
| Manufacturer | Seagate | Western Digital |
| Product family | IronWolf | WD Red Plus |
| Model number | ST6000VN006 | WD60EFZX |
| Capacity (TB) | 6 | 6 |
| RPM | 5400 | 5640 |
| Interface | SATA 6 Gb/s | SATA 6Gb/s |
| Recording | CMR | CMR |
| Cache (MB) | 256 | 128 |
| Form factor | 3.5-inch | 3.5-inch |
| Load/unload cycles | 600000 | Not recorded |
| Average idle power (W) | 4 | Not recorded |
| Power-on hours per year | 8760 | Not recorded |
| Workload rating (TB/year) | 180 | 180 |
| Average operating power (W) | 5.3 | Not recorded |
| Rotational vibration sensors | Yes | Not recorded |
| Manufacturer limited warranty | 3 years (eligible new drives) | 3 years (eligible new drives) |
| Sustained transfer (up to MB/s) | 202 | 185 |
| NAS bays | Not recorded | 8 |
| 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
ST6000VN006
Seagate IronWolf manufacturer specifications ↗ · pages 3
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.
WD60EFZX
Western Digital WD Red Plus manufacturer datasheet ↗
Reviewed 2026-08-21. Published specifications; no independent benchmark or failure-rate claim.