HP ProBook 6455b, 6555b, 6450b and 6550b Notebook PCs Maintenance and Service Guide

Blu-ray ROM DVD±RW SuperMulti Double-Layer Drive
specifications
Applicable disc
Read 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
Write DVD-RAM (Ver.2), DVD+R, DVD-R, CD-R, and CD-ROM
Random access time
BD < 230 ms
DVD < 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
Blu-ray ROM DVD±RW SuperMulti Double-Layer Drive specifications 169