HP ProBook 6540b HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 169
Hard drive specifications, Blu-ray ROM DVD±RW SuperMulti Double-Layer Drive specifications - ram
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Specifications Hard drive specifications 500-GB* 320-GB* 250-GB* 160-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 101 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 1.5 ms 2.0 ms 2.0 ms Average 12.0 ms 12.0 ms 12.0 ms 12.0 ms Maximum 22.0 ms 22.0 ms 22.0 ms 22.0 ms Logical blocks 976,785,075 625,142,448 488,397,168 312,581,808 Disc rotational speed 7200 rpm 7200 rpm 7200 rpm 7200 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. ✎ Certain restrictions and exclusions apply. Contact technical support for details. Blu-ray ROM DVD±RW SuperMulti Double-Layer Drive specifications Applicable disc Access time Random Cache buffer Data transfer rate 2X BD-RAM 8X DVD 16X CD-R 16X CD-RW Read: Write: BD-ROM, BD-ROM-DL, BD-R, BD-R-DL, BD-RE, BD-RE-DL, DVD-ROM, DVD+R, DVD+R-DL, DVD+RW, DVD-R, DVD-R-DL, DVD-RW, DVD-RAM (Ver.2), CD-DA, CD-ROM (mode 1 and mode 2), CD-ROM XA (mode 2, form 1 and form 2), Photo CD (single and multiple sessions), CD Extra, CD-R, CD-RW, and CD-TEXT DVD-RAM (Ver.2), DVD+R, DVD-R, CD-R, and CD-ROM BD DVD < 230 ms < 180 ms 4.5 MB 9 MB/sec 2,400 KB/sec 2,400 KB/sec 2,400 KB/sec 6-4 Maintenance and Service Guide