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WD RE2 WD4000YR - Hard drive - 400 GB - internal - 3.5" - SATA-150 - 7200 rpm - buffer: 16 MB (pack of 20 ) at Backoffice
WD RE2 WD4000YR - Hard drive - 400 GB - internal - 3.5" - SATA-150 - 7200 rpm - buffer: 16 MB (pack of 20 )
WD4000YR-20PK
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This product is no longer available.
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With 1.2 million hours MTBF, server duty cycle, next-generation SATA technology and state-of-the-art vibration tolerance, WD RE2 7200 RPM drives offer the best combination of reliability, high capacity and performance for enterprise applications. RAID-specific time-limited error recovery (TLER) - this feature, unique to WD, prevents drive fallout caused by the extended hard drive error-recovery processes common to desktop drives. Rotary Acceleration Feed Forward (RAFF) - optimizes operation and performance when the drives are used in vibration-prone multi-drive systems such as rack-mounted servers and network storage. 1.2 million hours MTBF, 24x7 100% duty cycle - the highest available reliability rating on high capacity drives.| Product Description | WD RE2 WD4000YR - hard drive - 400 GB - SATA-150 | | Packaged Quantity | 20 (specifications are for single item) | | Type | Hard drive - internal | | Form Factor | 3.5" x 1/3H | | Dimensions (WxDxH) | 10.2 cm x 14.7 cm x 2.61 cm | | Weight | 0.6 kg | | Capacity | 400 GB | | Interface Type | Serial ATA-150 | | Data Transfer Rate | 150 MBps | | Average Seek Time | 8.7 ms | | Spindle Speed | 7200 rpm | | Buffer Size | 16 MB | | Vista Certification | Works with Windows Vista | | Manufacturer Warranty | 5 years warranty |
GENERAL |
| Packaged Quantity | 20 (specifications are for single item) |
| Device Type | Hard drive - internal |
| Width | 10.2 cm |
| Depth | 14.7 cm |
| Height | 2.61 cm |
| Weight | 0.6 kg |
HARD DRIVE |
| Form Factor | 3.5" x 1/3H |
| Capacity | 400 GB |
| Interface Type | Serial ATA-150 |
| Buffer Size | 16 MB |
| Features | SecureConnect, FlexPower, Native Command Queuing (NCQ), Rotary Acceleration Feed Forward (RAFF), Time-Limited Error Recovery (TLER) |
PERFORMANCE |
| Drive Transfer Rate | 150 MBps (external) |
| Internal Data Rate | 65 MBps |
| Seek Time | 8.7 ms (average) / 21 ms (max) |
| Track-to-Track Seek Time | 0.9 ms |
| Average Latency | 4.2 ms |
| Spindle Speed | 7200 rpm |
RELIABILITY |
| MTBF | 1,200,000 hour(s) |
| Non-Recoverable Errors | 1 per 10^15 |
| Start / Stop Cycles | 50,000 |
EXPANSION / CONNECTIVITY |
| Interfaces | 1 x Serial ATA-150 - 7 pin Serial ATA |
| Compatible Bays | 1 x internal - 3.5" x 1/3H |
MISCELLANEOUS |
| Works with Windows Vista | Works with Windows Vista |
MANUFACTURER WARRANTY |
| Service & Support | 5 years warranty |
| Service & Support Details | Limited warranty - parts and labour - 5 years - carry-in |
ENVIRONMENTAL PARAMETERS |
| Min Operating Temperature | 5 °C |
| Max Operating Temperature | 55 °C |
| Humidity Range Operating | 5 - 95% |
| Shock Tolerance | 65 g @ 2ms (operating) / 250 g @ 2ms (non-operating) |
| Vibration Tolerance | 0.75 g @ 20-300 Hz (operating) / 4 g @ 20-500 Hz (non-operating) |
| Sound Emission | 29 dBA |
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