HDWD240 vs WD4005FFBX
NAS drive head-to-head - specs, value and live price side by side.
Verdict
For a NAS or any RAID array, the WD4005FFBX is the pick - it's CMR. The HDWD240 uses SMR recording, which is not recommended for RAID (single-drive or archival use only).
Value at a glance
Price / TB
HDWD240
$55.62
WD4005FFBX
$53.73
Capacity
HDWD240
4 TB
WD4005FFBX
4 TB
Noise (idle)
HDWD240
22 dB
WD4005FFBX
20 dB
Price history · UK, cheapest per day
HDWD240 £246
WD4005FFBX £180
zoomed ·
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| HDWD240 | WD4005FFBX | |
|---|---|---|
| Capacity | 4 TB | 4 TB |
| Recording tech | SMR | CMR |
| RAID / NAS safe | No | Yes |
| Class | Desktop | NAS-Pro |
| Spindle speed | 5400 RPM | 7200 RPM |
| Cache | 128 MB | 256 MB |
| Noise (idle) | 22 dB | 20 dB |
| Fill | Air | Air |
| Interface | SATA | SATA |
| Failure rate (AFR) | - | - |
| Price / TB | $55.62 | $53.73 |
| Buy |
£246
View at Amazon →
|
£180
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.
HDWD240
No Backblaze failure data for this model.
2yr warranty
WD4005FFBX
No Backblaze failure data for this model.
5yr warranty · 300 TB/yr rated · 1,000,000h MTBF