DVD‎-R‎:‎ 8X DVD‎-RW‎:‎ 6X DVD+R‎:‎ 8X DVD+RW‎:‎ 8X DVD+R‎(‎DL‎)‎‎:‎ 6X DVD‎-R ‎(‎DL‎)‎‎:‎ 6X CD‎-R‎:‎ 24X CD‎-RW‎:‎ 16X DVD‎-RAM‎:‎ 5XRead Speed‎:‎ DVD‎-R‎(‎Single‎)‎‎:‎ 8 X max‎.‎ DVD‎-RW‎(‎single‎)‎‎:‎ 8 X max‎.‎ DVD+R‎(‎Single‎)‎‎:‎ 8 X max‎.‎ DVD+RW‎(‎single‎)‎‎:‎ 8 X max‎.‎ DVD‎-R‎(‎DL‎)‎‎:‎ 6 X max‎.‎ DVD+R‎(‎DL‎)‎‎:‎ 6 X max‎.‎ DVD‎-ROM ‎(‎Single‎)‎‎:‎ 8 X max‎.‎ DVD‎-ROM ‎(‎Dual‎)‎‎:‎ 8 X max‎.‎ CD‎-ROM‎:‎ 24 X max‎.‎ CD‎-RW‎:‎ 24 X max‎.‎ CD‎-R‎:‎ 24 X max‎.‎ DVD video playback‎:‎ 4 X max‎.‎ VCD playback‎:‎ 10 X max‎.‎ Audio CD Playback‎:‎ 10 X max‎.‎Access time‎:‎ DVD‎:‎ 160ms CD‎:‎ 140msWriting Mode‎:‎ DVD‎-R & DVD‎-R‎(‎DL‎)‎‎:‎ DAO‎(‎Disc‎-At‎-Once‎)‎/Incremental Recording ‎(‎Multi‎-Border Recording‎)‎ DVD‎-RW & DVD‎-RW ‎(‎DL‎)‎‎:‎ DAO‎(‎Disc‎-At‎-Once‎)‎/Restricted Overwriting/Incremental Recording ‎(‎Multi‎-Border Recording‎)‎ DVD+R & DVD+R ‎(‎DL‎)‎‎:‎ Sequential Recording ‎(‎Multi‎-Session Recording‎)‎ DVD+RW & DVD+RW ‎(‎DL‎)‎‎:‎ Random Recording CD‎-R/RW‎:‎ DAO‎(‎Disc‎-At‎-Once‎)‎/TAO‎(‎Track‎-At‎-Once‎)‎/SAO‎(‎Session‎-At‎-Once‎)‎/Packet Recording ‎(‎Multi‎-Session Recording‎)‎O/S Compatibility‎:‎ Windows 7‎,‎ Windows Vista‎,‎ Windows XPInterface‎:‎ USB 2.0Data Buffer‎:‎ 1 MBBundled Software‎:‎ Cyberlink Power2Go‎,‎ E‎-GreenDisc Diameters‎:‎ 12cm/8cmMounting Orientation‎:‎ Vertical and Horizontal ‎(‎ +5 ° ~ ‎-5 °‎)‎Power Requirements‎:‎ USB Power +5V ± 5%Dimension‎(‎WxHxD‎)‎‎:‎ 5.59 x 6.18 x 0.83 inchesNet Weight ‎(‎estimated‎)‎‎:‎ 0.69 lbs‎.‎