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Brand | Western Digital |
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Series | RE2 |
Model | WD4000YR |
Packaging | Bare Drive |
Interface | SATA 1.5Gb/s |
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Capacity | 400GB |
RPM | 7200 RPM |
Cache | 16MB |
Average Seek Time | 8.7ms |
Average Write Time | 9.8ms |
Average Latency | 4.2ms |
Features | Native Command Queuing (NCQ) Dynamically re-orders requests to enhance drive performance. Rotary Acceleration Feed Forward (RAFF) optimizes operation and performance in vibration-prone environments such as rack-mounted servers or network storage. RAID-specific time-limited error recovery (TLER), WD's unique feature to prevent drive fallout caused by the extended hard drive error-recovery processes common to desktop drives. 1,200,000 hours MTBF, 24x7 100% duty cycle–the highest available reliability rating on high capacity drives. |
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Form Factor | 3.5" |
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Date First Available | August 11, 2005 |
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