The Western Digital Ultrastar DC HA340 12TB WUS721212BLE6L4 (0B47063) is a high-capacity 3.5-inch enterprise hard drive designed for data centres, enterprise servers and professional storage environments. Featuring a SATA 6Gb/s interface, 7200RPM rotational speed, 512MB cache and CMR recording technology, it delivers sustained transfer rates of up to 267MB/s. With a 550TB annual workload rating, 2 million hours projected MTBF and a 5-year limited warranty, it provides reliable storage for demanding 24/7 business applications.
Technical Specifications
Specification
Details
Brand
Western Digital (WD)
Product Family
Ultrastar
Product Series
Ultrastar DC HA340
Model Number
WUS721212BLE6L4
WD Part Number
0B47063
Product Type
Enterprise Data Centre HDD
Storage Capacity
12TB
Form Factor
3.5-inch
Interface
SATA 6Gb/s
Connector
SATA
Sector Format
512e
Rotational Speed
7200RPM
Recording Technology
CMR
Cache Memory
512MB
Maximum Sustained Transfer Rate
Up to 267MB/s
Average Latency
4.16ms
Random Read Performance
150 IOPS
Random Write Performance
465 IOPS
Annual Workload Rating
550TB/year
MTBF
2,000,000 hours (projected)
Annualized Failure Rate
0.44% (projected)
Non-Recoverable Read Errors
1 in 10¹⁵ bits read
Load/Unload Cycles
600,000
Operating Availability
24 hours/day, 7 days/week
Typical Operating Power
9.2W
Idle Power
8.4W
Operating Temperature
5°C to 60°C
Non-Operating Temperature
-40°C to 70°C
Dimensions (L × W × H)
147 × 101.6 × 26.1mm
Weight
750g
Warranty
5-Year Limited Warranty
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