ST6000DM003 vs ST6000VX009
Seagate ST6000DM003 (6TB) versus Seagate ST6000VX009 (6TB)
Verdict
For a NAS or any RAID array, the ST6000VX009 is the clear pick - it's a CMR drive, while the ST6000DM003 uses SMR recording, which is not recommended for RAID. Only consider the ST6000DM003 for single-drive or archival use.
| ST6000DM003 | ST6000VX009 | |
|---|---|---|
| Capacity | 6 TB | 6 TB |
| Recording tech | SMR | CMR |
| RAID / NAS safe | No | Yes |
| Class | Desktop | Surveillance |
| Spindle speed | 5400 RPM | 5400 RPM |
| Cache | 256 MB | 256 MB |
| Noise (idle) | 22 dB | 26 dB |
| Fill | Air | Air |
| Interface | SATA | SATA |
| Failure rate (AFR) | - | - |
| Price / TB | $37.89 | $43.02 |
Highlighted cells mark the stronger spec for a NAS build. Failure rates from Backblaze Drive Stats where available; $/TB shows once live prices are wired.