WD20EFPX vs WD20EZAZ
NAS drive head-to-head - specs, value and live price side by side.
Verdict
For a NAS or any RAID array, the WD20EFPX is the pick - it's CMR. The WD20EZAZ uses SMR recording, which is not recommended for RAID (single-drive or archival use only).
Value at a glance
Price / TB
WD20EFPX
$77.50
WD20EZAZ
$66.77
Capacity
WD20EFPX
2 TB
WD20EZAZ
2 TB
Noise (idle)
WD20EFPX
24 dB
WD20EZAZ
21 dB
Price history · DE, cheapest per day
WD20EFPX €170
WD20EZAZ €124
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| WD20EFPX | WD20EZAZ | |
|---|---|---|
| Capacity | 2 TB | 2 TB |
| Recording tech | CMR | SMR |
| RAID / NAS safe | Yes | No |
| Class | NAS | Desktop |
| Spindle speed | 5400 RPM | 5400 RPM |
| Cache | 128 MB | 256 MB |
| Noise (idle) | 24 dB | 21 dB |
| Fill | Air | Air |
| Interface | SATA | SATA |
| Failure rate (AFR) | - | - |
| Price / TB | $77.50 | $66.77 |
| Buy |
€170
View at Amazon →
|
€124
View at Amazon →
|
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.
WD20EFPX
No Backblaze failure data for this model.
3yr warranty · 180 TB/yr rated · 1,000,000h MTBF
WD20EZAZ
No Backblaze failure data for this model.
2yr warranty