WD2002FFSX vs WD20EFAX
NAS drive head-to-head - specs, value and live price side by side.
Verdict
For a NAS or any RAID array, the WD2002FFSX 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
WD2002FFSX
$102.60
WD20EFAX
$85.91
Capacity
WD2002FFSX
2 TB
WD20EFAX
2 TB
Noise (idle)
WD2002FFSX
20 dB
WD20EFAX
23 dB
Price history · US, cheapest per day
WD2002FFSX $290
WD20EFAX $230
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| WD2002FFSX | WD20EFAX | |
|---|---|---|
| Capacity | 2 TB | 2 TB |
| Recording tech | CMR | SMR |
| RAID / NAS safe | Yes | No |
| Class | NAS-Pro | NAS |
| Spindle speed | 7200 RPM | 5400 RPM |
| Cache | 64 MB | 256 MB |
| Noise (idle) | 20 dB | 23 dB |
| Fill | Air | Air |
| Interface | SATA | SATA |
| Failure rate (AFR) | - | - |
| Price / TB | $102.60 | $85.91 |
| Buy |
$290
View at Amazon →
|
$230
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.
WD2002FFSX
No Backblaze failure data for this model.
5yr warranty · 300 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