HP ProBook 6445b - Notebook PC, Maintenance And Service Manual

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6–4 Maintenance and Service Guide
Specifications
Hard drive specifications
Blu-ray ROM DVD±RW SuperMulti Double-Layer 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.
Applicable disc 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
Access time BD DVD
Random < 230 ms < 180 ms
Cache buffer 4.5 MB
Data transfer rate
2X BD-RAM 9 MB/sec
8X DVD 2,400 KB/sec
16X CD-R 2,400 KB/sec
16X CD-RW 2,400 KB/sec