Slimline, lightweight and multi-talented: The BC-5550H is the ideal drvie that reads your 25 GB BD-R and BD-RE media as well as your 50 GB dual-layer R and RE Blu-ray media with 6x speed. It also read and writes to your DVDs and CDs. When storing data on DVD-Rs/DVD+Rs, it reach 8x speed and handle DVD-RAMs (max. 5x DVD speed) and DVD-RWs/DVD+RWs (max. 6x/8x) dynamically. All this at only 12.7 mm in height and weights just 170 g. Such performance in such a slim body: overwhelming! Product Specification Read Speed (max.) BD: 6x, BD-XL: 4x, DVD: 8x, CD: 24x Write Speed DVD-R: 8x, DVD+R: 8x DVD-R DL: 6x, DVD+R9: 6x DVD-RW: 6x, DVD+RW: 8x DVD-RAM: 5x CD-R: 24x, CD-RW: 16x Access time (Random) BD: 230 ms, DVD: 180 ms, CD: 190 ms Mechanism Tray load Interface S-ATA Burst transfer rate 150 MByte/sec Cache 4.5Mb cache - 5.8Mb read ahead buffer Media supported BD-XL, BD-R, BD-R DL, BD-RE, BD-RE DL, DVD-ROM, DVD-R, DVD-R DL, DVD-RW, DVD-RAM, DVD+R, DVD+R9, DVD+RW, CD-R and CD-RW with 120mm diameter Modes supported BD-ROM, BD-AV, DVD-ROM, DVD-Video, CD-DA, CD-ROM (XA), CD Extra, Video CD, Photo CD, CD Text Compatibility MultiRead, MS Windows Vista®/Windows7® compatible Weight 0.17 kg Dimensions 128 mm x 12.7 mm x 129 mm