HUH721212ALE604 vs ST12000NM000J
WD HUH721212ALE604 (12TB) versus Seagate ST12000NM000J (12TB)
Verdict
Both are CMR drives suitable for NAS. The ST12000NM000J has the lower measured failure rate (0.42% vs 2.97% AFR), making it the safer long-term choice.
| HUH721212ALE604 | ST12000NM000J | |
|---|---|---|
| Capacity | 12 TB | 12 TB |
| Recording tech | CMR | CMR |
| RAID / NAS safe | Yes | Yes |
| Class | Enterprise | Enterprise |
| Spindle speed | 7200 RPM | 7200 RPM |
| Cache | 256 MB | 256 MB |
| Noise (idle) | 20 dB | - |
| Fill | Helium | Helium |
| Interface | SATA | SATA |
| Failure rate (AFR) | 2.97% | 0.42% |
| Price / TB | $33.87 | - |
Highlighted cells mark the stronger spec for a NAS build. Failure rates from Backblaze Drive Stats where available; $/TB shows once live prices are wired.