Drive comparison
ST2000VX003 vs ST2000VX015
Seagate Surveillance HDD 2TB and Seagate SkyHawk 2TB, compared using published manufacturer specifications.
Seagate
Surveillance HDD 2TB
ST2000VX003
SATA 6 Gb/s · 3.5-inch
$115.00
Amazon US · New listing ↗ASIN B00PG91SAG · as of Sep 12, 2026 04:47 UTC
Full specifications & all listings →
Seagate
SkyHawk 2TB
ST2000VX015
SATA 6 Gb/s · 3.5-inch
$178.94
Amazon US · New listing ↗ASIN B08T8J1K6M · as of Sep 12, 2026 11:47 UTC
Full specifications & all listings →As an Amazon Associate I earn from qualifying purchases. Match the selected variant, condition and seller terms before ordering.
What differs between these models?
- Cache (MB): ST2000VX003 lists 64; ST2000VX015 lists 256.
- Average idle power (W): ST2000VX003 lists 4; ST2000VX015 lists 2.5.
- Average operating power (W): ST2000VX003 lists 5.6; ST2000VX015 lists 3.7.
- Rotational vibration sensors: ST2000VX003 lists No; ST2000VX015 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 | ST2000VX003 | ST2000VX015 |
|---|---|---|
| Manufacturer | Seagate | Seagate |
| Product family | Surveillance HDD | SkyHawk |
| Model number | ST2000VX003 | ST2000VX015 |
| Capacity (TB) | 2 | 2 |
| Interface | SATA 6 Gb/s | SATA 6 Gb/s |
| Cache (MB) | 64 | 256 |
| Form factor | 3.5-inch | 3.5-inch |
| Load/unload cycles | 300000 | Not recorded |
| Drive bays supported | 1–8 | Not recorded |
| Average idle power (W) | 4 | 2.5 |
| Power-on hours per year | 8760 | 8760 |
| Cameras supported (up to) | 64 | 64 |
| Average operating power (W) | 5.6 | 3.7 |
| Rotational vibration sensors | No | Yes |
| Manufacturer limited warranty | 3 years (eligible new drives) | 3 years (eligible new drives) |
| Sustained transfer (up to MB/s) | 180 | 180 |
| Recording | Not recorded | SMR |
| Workload rating (TB/year) | Not recorded | 180 |
Compatibility and buying checks
- One or both drives use SMR recording. Check sustained-write and array requirements before choosing one for a NAS or a write-heavy workload.
- Compare new and renewed offers separately. The manufacturer specification does not guarantee the warranty or return policy of a marketplace seller.
Manufacturer sources
ST2000VX003
Seagate Surveillance HDD manufacturer specifications ↗ · pages 2
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.
ST2000VX015
Seagate SkyHawk manufacturer specifications ↗ · pages 3
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.