HAT5320-4T vs WD40EFAX
NAS drive head-to-head - specs, value and live price side by side.
Verdict
For a NAS or any RAID array, the HAT5320-4T is the pick - it's CMR. The WD40EFAX uses SMR recording, which is not recommended for RAID (single-drive or archival use only).
Value at a glance
Capacity
HAT5320-4T
4 TB
WD40EFAX
4 TB
Price history · UK, cheapest per day
WD40EFAX £249
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| HAT5320-4T | WD40EFAX | |
|---|---|---|
| Capacity | 4 TB | 4 TB |
| Recording tech | CMR | SMR |
| RAID / NAS safe | Yes | No |
| Class | Enterprise | NAS |
| Spindle speed | 7200 RPM | 5400 RPM |
| Cache | 512 MB | 256 MB |
| Noise (idle) | - | 23 dB |
| Fill | Air | Air |
| Interface | SATA | SATA |
| Failure rate (AFR) | - | - |
| Price / TB | - | $55.35 |
| Buy | No UK price yet |
£249
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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.
HAT5320-4T
No Backblaze failure data for this model.
5yr warranty · 550 TB/yr rated · 2,500,000h MTBF
WD40EFAX
No Backblaze failure data for this model.
3yr warranty · 180 TB/yr rated · 1,000,000h MTBF