WD2005FBYZ vs WD20EZAZ
NAS drive head-to-head - specs, value and live price side by side.
Verdict
For a NAS or any RAID array, the WD2005FBYZ 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
WD2005FBYZ
$133.38
WD20EZAZ
$76.47
Capacity
WD2005FBYZ
2 TB
WD20EZAZ
2 TB
Noise (idle)
WD2005FBYZ
20 dB
WD20EZAZ
21 dB
Price history
UK · cheapest per day
WD2005FBYZ £228
WD20EZAZ £225
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| WD2005FBYZ | WD20EZAZ | |
|---|---|---|
| Capacity | 2 TB | 2 TB |
| Recording tech | CMR | SMR |
| RAID / NAS safe | Yes | No |
| Class | Enterprise | Desktop |
| Spindle speed | 7200 RPM | 5400 RPM |
| Cache | 128 MB | 256 MB |
| Noise (idle) | 20 dB | 21 dB |
| Fill | Air | Air |
| Interface | SATA | SATA |
| Failure rate (AFR) | - | - |
| Price / TB | $133.38 | $76.47 |
| Buy |
£228
View at Amazon →
|
£225
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.
WD2005FBYZ
No Backblaze failure data for this model.
5yr warranty · 550 TB/yr rated · 2,500,000h MTBF
WD20EZAZ
No Backblaze failure data for this model.
2yr warranty