HDWG21C vs WD121KFBX
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
HDWG21C
$42.21
WD121KFBX
$44.17
Capacity
HDWG21C
12 TB
WD121KFBX
12 TB
Noise (idle)
HDWG21C
20 dB
WD121KFBX
20 dB
Price history · UK, cheapest per day
HDWG21C £408
WD121KFBX £517
zoomed ·
drag to zoom
| HDWG21C | WD121KFBX | |
|---|---|---|
| Capacity | 12 TB | 12 TB |
| Recording tech | CMR | CMR |
| RAID / NAS safe | Yes | Yes |
| Class | NAS | NAS-Pro |
| Spindle speed | 7200 RPM | 7200 RPM |
| Cache | 256 MB | 256 MB |
| Noise (idle) | 20 dB | 20 dB |
| Fill | Helium | Helium |
| Interface | SATA | SATA |
| Failure rate (AFR) | - | - |
| Price / TB | $42.21 | $44.17 |
| Buy |
£408
View at Amazon →
|
£517
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.
HDWG21C
No Backblaze failure data for this model.
3yr warranty · 180 TB/yr rated · 1,000,000h MTBF
WD121KFBX
No Backblaze failure data for this model.
5yr warranty · 300 TB/yr rated · 1,000,000h MTBF