HP 655 HP 655 Notebook PC - Maintenance and Service Guide - Page 91
Hard drive specifications, Dimensions, Interface type, Transfer rate, Seek times, Logical blocks
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Hard drive specifications 640-GB* 500-GB* 320-GB* Dimensions Height 9.5 mm 9.5 mm 9.5 mm Length 100.4 mm 100.4 mm 100.4 mm Width 69.9 mm 69.9 mm 69.9 mm Weight 110 g 110 g 110 g Interface type SATA SATA SATA Transfer rate Synchronous (maximum) 1.1 GB/sec 1.1 GB/sec 1.1 GB/sec Security ATA security ATA security ATA security Seek times (typical read, including setting) Single track 1.5 ms 1.5 ms 1.5 ms Average (read/write) 11/13 ms 11/13 ms 11/13 ms Maximum 22 ms 22 ms 22 ms Logical blocks 1,250,269,655 976,773,168 628,142,448 Disk rotational speed 5400 rpm 5400 rpm 5400 rpm Operating temperature 0°C to 60°C (32°F to 140°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 83