WD221PURP vs WUH722422AL5201
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
WD221PURP
22 TB
WUH722422AL5201
22 TB
Noise (idle)
WD221PURP
20 dB
WUH722422AL5201
20 dB
Price history
US · cheapest per day
WD221PURP $1,159
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| WD221PURP | WUH722422AL5201 | |
|---|---|---|
| Capacity | 22 TB | 22 TB |
| Recording tech | CMR | CMR |
| RAID / NAS safe | Yes | Yes |
| Class | Surveillance | Enterprise |
| Spindle speed | 7200 RPM | 7200 RPM |
| Cache | 512 MB | 512 MB |
| Noise (idle) | 20 dB | 20 dB |
| Fill | Helium | Helium |
| Interface | SATA | SAS |
| Failure rate (AFR) | - | - |
| Price / TB | $52.68 | - |
| Buy |
$1,159
View at Amazon →
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No US 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.
WD221PURP
No Backblaze failure data for this model.
5yr warranty · 550 TB/yr rated · 2,500,000h MTBF
WUH722422AL5201
No Backblaze failure data for this model.
5yr warranty · 550 TB/yr rated · 2,500,000h MTBF