Drive comparison
ST20000NM002D vs ST20000NM005D
Seagate Exos X20 20TB and Seagate Exos X20 20TB, compared using published manufacturer specifications.
Seagate
Exos X20 20TB
ST20000NM002D
12 Gb/s SAS · 3.5-inch
$1,017.99
Amazon US · Used / renewed listing ↗ASIN B09MWKN3RN · as of Sep 12, 2026 10:56 UTC
Full specifications & all listings →Seagate
Exos X20 20TB
ST20000NM005D
12 Gb/s SAS · 3.5-inch
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What differs between these models?
- FIPS: ST20000NM002D lists No; ST20000NM005D lists Yes.
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 | ST20000NM002D | ST20000NM005D |
|---|---|---|
| Manufacturer | Seagate | Seagate |
| Product family | Exos X20 | Exos X20 |
| Model number | ST20000NM002D | ST20000NM005D |
| Capacity (TB) | 20 | 20 |
| FIPS | No | Yes |
| Interface | 12 Gb/s SAS | 12 Gb/s SAS |
| Form factor | 3.5-inch | 3.5-inch |
| Manufacturer limited warranty | 5 years (eligible new drives) | 5 years (eligible new drives) |
Compatibility and buying checks
- A SAS drive requires a compatible SAS controller or backplane. A normal motherboard SATA port cannot operate a SAS drive.
- Compare new and renewed offers separately. The manufacturer specification does not guarantee the warranty or return policy of a marketplace seller.
Manufacturer sources
ST20000NM002D
Seagate Exos X20 manufacturer specifications ↗
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.
ST20000NM005D
Seagate Exos X20 manufacturer specifications ↗
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.