HUH721212ALE604
WD Ultrastar DC HC520 · 12TB
CMR
✓ RAID-safe (CMR)
Also sold as: HUH721212ALE600, HUH721212ALN604
£861
(£71.73/TB)
Best price at Amazon · UK
Last checked Sep 7, 2026 · Price and availability subject to change.
Specifications
- Capacity
- 12 TB
- Technology
- CMR
- Class
- Enterprise
- RPM
- 7200
- Cache
- 256 MB
- Noise (idle / seek)
- 20 / 36 dB
- Fill
- Helium
- Interface
- SATA
- Form factor
- 3.5"
- Data confidence
- Medium
Reliability
Annualized failure rate
3.27%
Sample size25,045 drives
Drive-days14,009,178
Source: Backblaze thru Q2 2026 (merged HUH721212ALE600 + HUH721212ALE604 + HUH721212ALN604). All rankings →
Warranty5 years
Rated workload550 TB/yr
MTBF2,500,000 hrs
Datacenter enterprise drive with the highest workload and vibration rating.
Manufacturer-rated specs (Manufacturer spec), not observed failure data.
Price history
UK · cheapest per day
£861 latest
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