HDWR21C 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
HDWR21C
$64.11
WD121KFBX
$44.17
Capacity
HDWR21C
12 TB
WD121KFBX
12 TB
Noise (idle)
HDWR21C
20 dB
WD121KFBX
20 dB
Price history · US, cheapest per day
HDWR21C $390
WD121KFBX $530
zoomed ·
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| HDWR21C | WD121KFBX | |
|---|---|---|
| Capacity | 12 TB | 12 TB |
| Recording tech | CMR | CMR |
| RAID / NAS safe | Yes | Yes |
| Class | Desktop | 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 | $64.11 | $44.17 |
| Buy | No US price yet |
$530
View at Amazon →
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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.
HDWR21C
No Backblaze failure data for this model.
2yr warranty
WD121KFBX
No Backblaze failure data for this model.
5yr warranty · 300 TB/yr rated · 1,000,000h MTBF