Western Digital Scorpio Blue 640GB (WD6400BPVT) 5400rpm SATA2 8MB Notebook Hard Drive(2.5 inch)

• Mfr Part Number: WD6400BPVT
• Capacity: 640GB
• Rotational Speed: 5400 RPM
• Cache: 8 MB
• Interface: SATA 3 Gb/s
• Max. External Transfer Rate: 3 Gb/s
• Average Latency: 5.5 ms
• Seek Time:
• Read: 12.0 ms
• Track-To-Track: 2.0 ms
• Current Requirements:
• Read/Write: 500 mA
• Idle: 400 mA
• Standby: 50 mA
• Sleep: 20 mA
• Power Dissipation:
• Read/Write: 2.5 Watts
• Idle: 0.85 Watts
• Standby: 0.25 Watts
• Sleep: 0.10 Watts
• Form Factor: 2.5 inch
• Dimensions (WxLxH): 2.75 x 3.94 x 0.374 inch / 69.85 x 100.2 x 9.5 mm
• Weight: 0.26 lbs/ 0.117 kg