Western Digital VelociRaptor 250GB 10K 6Gb/s SFF SATA Hard Drive WD2500BHTZ
Capacity: 450GB
Spindle Speed: 10,000RPM
Interface Type: SATA
Disk Size: 2.5″x15mm (SFF Hard Drive)
Sustained Throughput (MBps): 
Average Seek Time (read/write ms): 7
Electrical Interface Speed: SATA 600 – 6.0Gbps
On-Board Cache: 64MB
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 WD VelociRaptor hard drives deliver maximum speed and reliability for blade servers, workstations, and low-end servers. With a superbly engineered combination of 10,000 RPM spin speed, SATA 6 Gb/s interface and a 64 MB cache, these drives are truly an evolution in performance. 
Compatibility 
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| Performance Specifications | 
 
| Rotational Speed | 
10,000 RPM (nominal) | 
 
| Buffer Size | 
64 MB | 
 
| Load/unload Cycles | 
600,000 minimum | 
 
 
| Transfer Rates | 
 
| Buffer To Host (Serial ATA) | 
6 Gb/s (Max) | 
 
 
| Physical Specifications | 
 
| Formatted Capacity | 
250 GB | 
 
| Capacity | 
250 GB | 
 
| Interface | 
SATA 6 Gb/s | 
 
| User Sectors Per Drive | 
879,097,968 | 
 
 
| Physical Dimensions | 
 
| English | 
 
| Height | 
0.59 Inches | 
 
| Depth | 
3.95 Inches | 
 
| Width | 
2.75 Inches | 
 
| Weight | 
0.5 Pounds | 
 
 
| Metric | 
 
| Height | 
15 mm | 
 
| Depth | 
100.45 mm | 
 
| Width | 
69.85 mm | 
 
| Weight | 
230 g | 
 
 
| Environmental Specifications | 
 
| Shock | 
 
| Operating Shock (Read) | 
65G, 2 ms | 
 
| Non-operating Shock | 
300G, 2 ms | 
 
 
| Acoustics | 
 
| Idle Mode | 
30 dBA (average) | 
 
| Seek Mode 0 | 
37 dBA (average) | 
 
 
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