ST6000VX009 vs WD60EFAX
Seagate ST6000VX009 (6TB) versus WD WD60EFAX (6TB)
Verdict
For a NAS or any RAID array, the ST6000VX009 is the clear pick - it's a CMR drive, while the WD60EFAX uses SMR recording, which is not recommended for RAID. Only consider the WD60EFAX for single-drive or archival use.
| ST6000VX009 | WD60EFAX | |
|---|---|---|
| Capacity | 6 TB | 6 TB |
| Recording tech | CMR | SMR |
| RAID / NAS safe | Yes | No |
| Class | Surveillance | NAS |
| Spindle speed | 5400 RPM | 5400 RPM |
| Cache | 256 MB | 256 MB |
| Noise (idle) | 26 dB | 23 dB |
| Fill | Air | Air |
| Interface | SATA | SATA |
| Failure rate (AFR) | - | - |
| Price / TB | $43.02 | $44.82 |
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.