Model No. HKPB-DVDRW Product feature 1.Adopt 9.5mm internal drive, slim design with thickness of 20mm only  and tray type of loading for better portability;                                                                                                          2.USB 2.0 interface design for better generality in use；    3.PC USB power supply, no AC Adaptor needed；   4.Colourful outer case design with blue piano lacquer painting.       Interface USB Type of loading Slot load Installation External Media support Reading Writing DVD-RAM 6X 5X DVD-R 8X 8X DVD-R DL (Dual Layer) 6X 4X DVD-RW 8X 6X DVD+R 8X 8X DVD+R DL (Double Layer) 6X 4X DVD+RW 8X 8X CD-R 24X 24X CD-RW 24X 24X Buffer size 2MB Specification Size(LxWxD) 139x135x20 mm Weight 300+/-10g Power supply Voltage DC5V+/-0.25V Power consumption 1500mA System requirement CPU Pentium 4 1.3GHz or faster CPU RAM 512 MB DRAM Required HDD Space HDD must have up to 10GB free space for DVD authoring Operation System Windows Windows®98 Windows®ME Windows®2000 Windows®XP  Windows®Vista