DT02ABA400 vs HDWG440
NAS drive head-to-head - specs, value and live price side by side.
Verdict
For a NAS or any RAID array, the HDWG440 is the pick - it's CMR. The DT02ABA400 uses SMR recording, which is not recommended for RAID (single-drive or archival use only).
Value at a glance
Capacity
DT02ABA400
4 TB
HDWG440
4 TB
Price history · DE, cheapest per day
HDWG440 €241
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| DT02ABA400 | HDWG440 | |
|---|---|---|
| Capacity | 4 TB | 4 TB |
| Recording tech | SMR | CMR |
| RAID / NAS safe | No | Yes |
| Class | Desktop | NAS |
| Spindle speed | 5400 RPM | 7200 RPM |
| Cache | 128 MB | 256 MB |
| Noise (idle) | - | 20 dB |
| Fill | Air | Air |
| Interface | SATA | SATA |
| Failure rate (AFR) | - | - |
| Price / TB | - | $63.96 |
| Buy | No DE price yet |
€241
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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.
DT02ABA400
No Backblaze failure data for this model.
2yr warranty
HDWG440
No Backblaze failure data for this model.
3yr warranty · 180 TB/yr rated · 1,000,000h MTBF