Drive comparison
ST2000VN003 vs WD20EFPX
Seagate IronWolf 2TB and Western Digital WD Red Plus 2TB, compared using published manufacturer specifications.
Seagate
IronWolf 2TB
ST2000VN003
SATA 6 Gb/s · 3.5-inch
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WD Red Plus 2TB
WD20EFPX
SATA 6 Gb/s · 3.5-inch
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What differs between these models?
- Cache (MB): ST2000VN003 lists 256; WD20EFPX lists 64.
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 | ST2000VN003 | WD20EFPX |
|---|---|---|
| Manufacturer | Seagate | Western Digital |
| Product family | IronWolf | WD Red Plus |
| Model number | ST2000VN003 | WD20EFPX |
| Capacity (TB) | 2 | 2 |
| RPM | 5400 | 5400 |
| Interface | SATA 6 Gb/s | SATA 6 Gb/s |
| Recording | CMR | CMR |
| Cache (MB) | 256 | 64 |
| Form factor | 3.5-inch | 3.5-inch |
| Average idle power (W) | 2.8 | Not recorded |
| Power-on hours per year | 8760 | Not recorded |
| Workload rating (TB/year) | 180 | 180 |
| Average operating power (W) | 3.1 | 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) | 180 | Not recorded |
| NAS bays | Not recorded | Up to 8 |
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
ST2000VN003
Seagate IronWolf manufacturer specifications ↗ · pages 4
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.
WD20EFPX
WD Red Plus datasheet, September 2025 ↗ · pages 2
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.