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Hard drive specifications
750-GB* 640-GB* 500-GB* 320-GB*
Dimensions
Height 9.5 mm 9.5 mm 9.5 mm 9.5 mm
Length 100.4 mm 100.4 mm 100.4 mm 100.4 mm
Width 69.9 mm 69.9 mm 69.9 mm 69.9 mm
Weight 115 g 98.8 g 98.8 g 98.8 g
Interface type SATA SATA SATA SATA
Transfer rate
Synchronous (maximum) 300 MB/sec 300 MB/sec 300 MB/sec 300 MB/sec
Security ATA security ATA security ATA security ATA security
Seek times (typical read, including setting)
Single track 1.5 ms 2.0 ms 3.0 ms 1.5 ms
Average (read/write) 11 ms 12 ms 13 ms 13 ms
Maximum 14 ms 22 ms 24 ms 24 ms
Logical blocks 1,465,149,168 1,250,263,728 976,773,168 625,142,448
Disk rotational speed 5400 rpm
Operating temperature 5°C to 55°C (41°F to 131°F)
*1 GB = 1 billion bytes when referring to hard drive storage capacity. Actual accessible capacity is less.
NOTE: Certain restrictions and exclusions apply. Contact technical support for details.
Hard drive specifications 101