Drive comparison
ST8000VNZ02 vs WD8006FRYZ
Seagate IronWolf 8TB and Western Digital WD Gold 8TB, compared using published manufacturer specifications.
Seagate
IronWolf 8TB
ST8000VNZ02
SATA 6 Gb/s · 3.5-inch
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WD Gold 8TB
WD8006FRYZ
SATA 6Gb/s · 3.5-inch
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What differs between these models?
- RPM: ST8000VNZ02 lists 5400; WD8006FRYZ lists 7200.
- Interface: ST8000VNZ02 lists SATA 6 Gb/s; WD8006FRYZ lists SATA 6Gb/s.
- Manufacturer limited warranty: ST8000VNZ02 lists 3 years (eligible new drives); WD8006FRYZ lists 5 years (eligible new drives).
- Sustained transfer (up to MB/s): ST8000VNZ02 lists 202; WD8006FRYZ lists 275.
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 | ST8000VNZ02 | WD8006FRYZ |
|---|---|---|
| Manufacturer | Seagate | Western Digital |
| Product family | IronWolf | WD Gold |
| Model number | ST8000VNZ02 | WD8006FRYZ |
| Capacity (TB) | 8 | 8 |
| RPM | 5400 | 7200 |
| Interface | SATA 6 Gb/s | SATA 6Gb/s |
| Recording | CMR | CMR |
| Cache (MB) | 256 | 256 |
| 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 |
| Average operating power (W) | 5.3 | Not recorded |
| Rotational vibration sensors | Yes | Not recorded |
| Manufacturer limited warranty | 3 years (eligible new drives) | 5 years (eligible new drives) |
| Sustained transfer (up to MB/s) | 202 | 275 |
| Workload rating (TB/year) | Not recorded | 550 |
| Logical sector size (bytes) | Not recorded | 512 |
| 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
ST8000VNZ02
Seagate IronWolf manufacturer specifications ↗ · pages 2
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.
WD8006FRYZ
Western Digital WD Gold manufacturer datasheet ↗
Reviewed 2026-08-21. Published specifications; no independent benchmark or failure-rate claim.