HDWD240 vs WD40EFAX
NAS drive head-to-head - specs, value and live price side by side.
Verdict
These are closely matched NAS drives of the same capacity - decide on price and warranty. Check the live $/TB above.
Value at a glance
Price / TB
HDWD240
$55.62
WD40EFAX
$55.35
Capacity
HDWD240
4 TB
WD40EFAX
4 TB
Noise (idle)
HDWD240
22 dB
WD40EFAX
23 dB
Price history · US, cheapest per day
WD40EFAX $286
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| HDWD240 | WD40EFAX | |
|---|---|---|
| Capacity | 4 TB | 4 TB |
| Recording tech | SMR | SMR |
| RAID / NAS safe | No | No |
| Class | Desktop | NAS |
| Spindle speed | 5400 RPM | 5400 RPM |
| Cache | 128 MB | 256 MB |
| Noise (idle) | 22 dB | 23 dB |
| Fill | Air | Air |
| Interface | SATA | SATA |
| Failure rate (AFR) | - | - |
| Price / TB | $55.62 | $55.35 |
| Buy | No US price yet |
$286
View at Amazon →
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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
WD40EFAX
No Backblaze failure data for this model.
3yr warranty · 180 TB/yr rated · 1,000,000h MTBF