HAT5320-4T vs HMS5C4040BLE640
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
Capacity
HAT5320-4T
4 TB
HMS5C4040BLE640
4 TB
| HAT5320-4T | HMS5C4040BLE640 | |
|---|---|---|
| Capacity | 4 TB | 4 TB |
| Recording tech | CMR | CMR |
| RAID / NAS safe | Yes | Yes |
| Class | Enterprise | Enterprise |
| Spindle speed | 7200 RPM | 5700 RPM |
| Cache | 512 MB | 64 MB |
| Noise (idle) | - | - |
| Fill | Air | Air |
| Interface | SATA | SATA |
| Failure rate (AFR) | - | 0.47% |
| Price / TB | - | - |
| Buy | No CA price yet | No CA price yet |
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
HMS5C4040BLE640
0.47% AFR vs 1.34% fleet avg
95% CI 0.15-1.09%
186 drives · ~1,072 drive-years · 5 failures · Backblaze thru Q1 2026