HP ProBook 4540s HP ProBook 4540s Notebook PC HP ProBook 4440s Notebook PC HP - Page 123
Hard drive specifications
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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 Width 70 mm 70 mm 70 mm 70 mm Weight 115 g 101 g 101 g 101 g Interface type SATA SATA SATA SATA Transfer rate 100 MB/sec 100 MB/sec 100 MB/sec 100 MB/sec Security ATA security ATA security ATA security ATA security Seek times (typical read, including setting) Single track 1.5 ms 2 ms 3 ms 3 ms Average 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 1,048,576,000 625,141,400 Disc rotational speed 7200 rpm or 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. Actual drive specifications may differ slightly. NOTE: Certain restrictions and exclusions apply. Contact technical support for details. Hard drive specifications 115
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