WUH721818ALE6L4
WD Ultrastar DC HC550 · 18TB
CMR
✓ RAID-safe (CMR)
€1,156
(€64.22/TB)
Best price at Amazon · ES
Last checked Aug 23, 2026 · Price and availability subject to change.
Specifications
- Capacity
- 18 TB
- Technology
- CMR
- Class
- Enterprise
- RPM
- 7200
- Cache
- 512 MB
- Noise (idle / seek)
- 20 / 36 dB
- Fill
- Helium
- Interface
- SATA
- Form factor
- 3.5"
- Data confidence
- High
Reliability
No large-scale failure-rate data - Backblaze tracks mostly datacenter-class drives, so consumer/SMR models rarely appear. Reliability 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
ES · cheapest per day
€1,156 latest
zoomed ·
drag to zoom