WD30EFAX vs WD30EFZX
NAS drive head-to-head - specs, value and live price side by side.
Verdict
For a NAS or any RAID array, the WD30EFZX is the pick - it's CMR. The WD30EFAX uses SMR recording, which is not recommended for RAID (single-drive or archival use only).
Value at a glance
Price / TB
WD30EFAX
$64.60
WD30EFZX
$68.76
Capacity
WD30EFAX
3 TB
WD30EFZX
3 TB
Noise (idle)
WD30EFAX
23 dB
WD30EFZX
24 dB
Price history · DE, cheapest per day
WD30EFAX €198
WD30EFZX €191
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| WD30EFAX | WD30EFZX | |
|---|---|---|
| Capacity | 3 TB | 3 TB |
| Recording tech | SMR | CMR |
| RAID / NAS safe | No | Yes |
| Class | NAS | NAS |
| Spindle speed | 5400 RPM | 5400 RPM |
| Cache | 256 MB | 128 MB |
| Noise (idle) | 23 dB | 24 dB |
| Fill | Air | Air |
| Interface | SATA | SATA |
| Failure rate (AFR) | - | - |
| Price / TB | $64.60 | $68.76 |
| Buy |
€198
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No DE price yet |
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.
WD30EFAX
No Backblaze failure data for this model.
3yr warranty · 180 TB/yr rated · 1,000,000h MTBF
WD30EFZX
No Backblaze failure data for this model.
3yr warranty · 180 TB/yr rated · 1,000,000h MTBF