ST2000VX017 vs WD20EFAX
NAS drive head-to-head - specs, value and live price side by side.
Verdict
For a NAS or any RAID array, the ST2000VX017 is the pick - it's CMR. The WD20EFAX uses SMR recording, which is not recommended for RAID (single-drive or archival use only).
Value at a glance
Price / TB
ST2000VX017
$75.01
WD20EFAX
$95.58
Capacity
ST2000VX017
2 TB
WD20EFAX
2 TB
Noise (idle)
ST2000VX017
26 dB
WD20EFAX
23 dB
Price history
CA · cheapest per day
ST2000VX017 C$250
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| ST2000VX017 | WD20EFAX | |
|---|---|---|
| Capacity | 2 TB | 2 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 | $75.01 | $95.58 |
| Buy |
C$250
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Highlighted cells mark the stronger spec for a NAS build. Failure rates from Backblaze Drive Stats where available; $/TB uses the cheapest live price. Buy links are Amazon affiliate.
ST2000VX017
No Backblaze failure data for this model.
3yr warranty · 180 TB/yr rated · 1,000,000h MTBF
WD20EFAX
No Backblaze failure data for this model.
3yr warranty · 180 TB/yr rated · 1,000,000h MTBF