HDWD240 vs HDWR440
NAS drive head-to-head - specs, value and live price side by side.
Verdict
For a NAS or any RAID array, the HDWR440 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
$68.72
HDWR440
$83.46
Capacity
HDWD240
4 TB
HDWR440
4 TB
Noise (idle)
HDWD240
22 dB
HDWR440
20 dB
Price history · IT, cheapest per day
HDWD240 €268
HDWR440 €420
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| HDWD240 | HDWR440 | |
|---|---|---|
| Capacity | 4 TB | 4 TB |
| Recording tech | SMR | CMR |
| RAID / NAS safe | No | Yes |
| Class | Desktop | Desktop |
| 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 | $68.72 | $83.46 |
| Buy |
€268
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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
HDWR440
No Backblaze failure data for this model.
2yr warranty