WUH722020BLE6L4 Western Digital 20TB 7200RPM SATA 6Gb/s 3.5-inch Hard Drive
WUH722020BLE6L4 Overview
The Western Digital Ultrastar DC HC560 20TB (Model: WUH722020BLE6L4) is a high-capacity enterprise hard drive specifically engineered to address the rigorous storage demands of cloud service providers and large-scale data centers. As a flagship model in the Ultrastar DC series, the HC560 features Western Digital’s pioneering OptiNAND™ technology, which integrates an iNAND Universal Flash Storage (UFS) Embedded Flash Drive (EFD) within the HDD. This hybrid architecture optimizes internal data management, increases drive resiliency, and allows for higher areal density without sacrificing performance. Designed for 24/7 reliability, this drive is the ideal solution for high-density storage servers where maximizing Terabytes per rack and lowering Total Cost of Ownership (TCO) are primary objectives.
$799
WUH722020BLE6L4 Technical Specifications
Western Digital Ultrastar Dc HC560 20TB 7200RPM SATA 6Gb/s 512MB 3.5-inch Hard Drive
Manufacturer: Western Digital
Manufacture Part Number: WUH722020BLE6L4
Series: Ultrastar DC HC560
Storage Capacity: 20 Terabytes (20TB)
Interface Type: SATA 6Gb/s
Form Factor: 3.5-Inch LFF
Recording Technology: Conventional Magnetic Recording (CMR) with OptiNAND
Enclosure Design: HelioSeal (Helium-filled)
Performance Metrics
Spindle Rotation Speed: 7200 RPM
Data Buffer (Cache): 512 MB
Sustained Transfer Rate: Up to 269 MB/s (256 MiB/s)
Interface Transfer Rate: 6.0 Gb/s (Maximum)
Average Latency: 4.16 ms
Reliability & Integrity
MTBF (Mean Time Between Failure): 2,500,000 Hours
AFR (Annualized Failure Rate): 0.35%
Workload Rating: Up to 550TB per Year
Load/Unload Cycles: 600,000
Power & Environmental
Operating Power (Typical): 7.0 Watts
Idle Power (Typical): 6.0 Watts
Operating Temperature: 5C to 60C
Non-operating Temperature: -40C to 70C
Shock Resistance: 40G (2ms, Read/Write)
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