WRITE SPEEDDVD+R 2.4x, 4x, 8x ZCLV, 8x, 12x, 16x PCAV, 18x CAV DVD-R 2x, 4x, 8x ZCLV, 8x, 16x PCAV, 18X CAVDVD+RW 2.4x, 4x, 6x CLV, 8x ZCLV (High Speed DVD+RW: 6x CLV, 8x ZCLV) DVD-RW 1x, 2x, 4x, 6x CLVDVD-RAM 2x, 3x ZCLV, 3x-5x PCAV (Ver.2.2), 6x ZCLV, 6x-8x PCAV, 6x-12x PCAV CD-R 4x, 8x, 16x CLV, 24x, 32x, 40x PCAV, 48x CAVCD-RW 4x, 10x,16x CLV, 24x, 32x ZCLV (High Speed: 10x, Ultra Speed: 16x, 24x, US Plus: 16x, 24x, 32x) DVD+R DL 2.4x, 4x, 6x CLV, 8x, 10x ZCLVDVD-R DL 2x, 4x, 6x CLV, 8x, 10x ZCLVBUFFERSize (MB) 2MBLOADINGType Motorized TraySECUREDISC™test NoLIGHTSCRIBE TECHNOLOGYtest NoDIMENSIONSW x H x D (mm) 160 x 50 x 230 Weight (g) Max 1500COMPATIBLE OSOperating System Windows 2000 Professional, Windows XP Home Edition, Professional, media center edition