Model No. GS23N Interface SATA Type of loading Slot load Installation Internal Media support Reading  Writing  DVD-R 8X 8X DVD-RW 8X 6X DVD+R 8X 8X DVD+RW 8X 8X DVD+R9(DL,Dual-layer) 6X 4X DVD-RAM 6X 5X CD-R 24X 24X CD-RW 24X 24X Buffer size 2MB Specification Size(LxWxD) 129x128x9.5mm Weight 180g Voltage DC5V+/-0.25V Power supply Power consumption 1100mA CPU Pentium 4 1.3GHz or faster CPU System Requirement RAM 512 MB DRAM Required HDD Space HDD must have up to 10GB free space for DVD authoring Operation System Windows Windows®98 Windows®2000 Windows®XP Windows®Vista Windows®7 Application Universal design for notebook computers Product feature Universal design for notebook computers