Drive comparison
ST24000NM002H vs ST24000NT031
Seagate Exos X24 24TB and Seagate IronWolf Pro 24TB, compared using published manufacturer specifications.
Seagate
Exos X24 24TB
ST24000NM002H
SATA 6 Gb/s · 3.5-inch
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Amazon US · New listing ↗ASIN B0CM293XCL
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IronWolf Pro 24TB
ST24000NT031
SATA 6 Gb/s · 3.5-inch
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What differs between these models?
- Sustained transfer (up to MB/s): ST24000NM002H lists 285; ST24000NT031 lists 240.
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 | ST24000NM002H | ST24000NT031 |
|---|---|---|
| Manufacturer | Seagate | Seagate |
| Product family | Exos X24 | IronWolf Pro |
| Model number | ST24000NM002H | ST24000NT031 |
| Capacity (TB) | 24 | 24 |
| RPM | 7200 | 7200 |
| Interface | SATA 6 Gb/s | SATA 6 Gb/s |
| Cache (MB) | 512 | 512 |
| Form factor | 3.5-inch | 3.5-inch |
| Average idle power (W) | 6.3 | Not recorded |
| Power-on hours per year | 8760 | 8760 |
| Manufacturer limited warranty | 5 years (eligible new drives) | 5 years (eligible new drives) |
| Sustained transfer (up to MB/s) | 285 | 240 |
| Recording | Not recorded | CMR |
| Workload rating (TB/year) | Not recorded | 550 |
| Average operating power (W) | Not recorded | 7.8 |
| Rotational vibration sensors | Not recorded | Yes |
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
ST24000NM002H
Seagate Exos X24 manufacturer specifications ↗ · pages 2
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.
ST24000NT031
Seagate IronWolf Pro manufacturer specifications ↗ · pages 2
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.