ASUS BW-12B1ST, Black, Blu-Ray DVD Combo, Serial ATA, BD, BD-R, BD-RE, BD-ROM, CD, CD-R, CD-ROM, CD-RW, DVD, DVD+R, DVD+R DL, DVD+RW, DVD+RW DL, DVD-R,..., 80,120 mm, 48x ASUS BW-12B1ST. Product color: Black. Optical drive type: Blu-Ray DVD Combo, Interface: Serial ATA, Disc types supported: BD, BD-R, BD-RE, BD-ROM, CD, CD-R, CD-ROM, CD-RW, DVD, DVD+R, DVD+R DL, DVD+RW, DVD+RW DL, DVD-R,.... CD write speed: 48x, DVD+R write speed: 16x, CD rewrite speed: 48x. CD read speed: 48x, CD-R read speed: 48x, CD-RW read speed: 24x. DVD drive average random access time: 150 ms, CD-ROM drive average random access time: 150 ms, BD-ROM average random access time: 250 ms