WUH721414AL5204 vs WUH721414ALE6L4
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
WUH721414AL5204
$41.03
WUH721414ALE6L4
$33.14
Capacity
WUH721414AL5204
14 TB
WUH721414ALE6L4
14 TB
Noise (idle)
WUH721414AL5204
20 dB
WUH721414ALE6L4
20 dB
Price history · UK, cheapest per day
WUH721414AL5204 £395
WUH721414ALE6L4 £395
zoomed ·
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| WUH721414AL5204 | WUH721414ALE6L4 | |
|---|---|---|
| Capacity | 14 TB | 14 TB |
| Recording tech | CMR | CMR |
| RAID / NAS safe | Yes | Yes |
| Class | Enterprise | Enterprise |
| Spindle speed | 7200 RPM | 7200 RPM |
| Cache | 512 MB | 512 MB |
| Noise (idle) | 20 dB | 20 dB |
| Fill | Helium | Helium |
| Interface | SAS | SATA |
| Failure rate (AFR) | - | 0.72% |
| Price / TB | $41.03 | $33.14 |
| Buy | No UK price yet |
£395
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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.
WUH721414AL5204
No Backblaze failure data for this model.
5yr warranty · 550 TB/yr rated · 2,500,000h MTBF
WUH721414ALE6L4
0.72% AFR vs 1.34% fleet avg
95% CI 0.57-0.90%
8,640 drives · ~10,734 drive-years · 77 failures · Backblaze thru Q1 2026
5yr warranty · 550 TB/yr rated · 2,500,000h MTBF