WD120EFBX vs WD121PURP
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
WD120EFBX
$45.63
WD121PURP
$43.50
Capacity
WD120EFBX
12 TB
WD121PURP
12 TB
Noise (idle)
WD120EFBX
24 dB
WD121PURP
20 dB
Price history · UK, cheapest per day
WD120EFBX £488
WD121PURP £411
zoomed ·
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| WD120EFBX | WD121PURP | |
|---|---|---|
| Capacity | 12 TB | 12 TB |
| Recording tech | CMR | CMR |
| RAID / NAS safe | Yes | Yes |
| Class | NAS | Surveillance |
| Spindle speed | 7200 RPM | 7200 RPM |
| Cache | 256 MB | 256 MB |
| Noise (idle) | 24 dB | 20 dB |
| Fill | Helium | Helium |
| Interface | SATA | SATA |
| Failure rate (AFR) | - | - |
| Price / TB | $45.63 | $43.50 |
| Buy |
£488
View at Amazon →
|
£411
View at Amazon →
|
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.
WD120EFBX
No Backblaze failure data for this model.
3yr warranty · 180 TB/yr rated · 1,000,000h MTBF
WD121PURP
No Backblaze failure data for this model.
5yr warranty · 550 TB/yr rated · 2,500,000h MTBF