The LGSuper-Multi GH22NS70 internal DVD rewriter features a 22x DVD±R write speed & a 48x write speed for CD-R. Designed for storage needs that demand consistency, the GH22NS70 reads & writes in CD, DVD±R, DVD±RW, & DVD RAM formats giving you the option to choose the media best suited for each task. Write Speeds DVD+R: 24x DVD-R: 24x DVD+RW: 8x DVD-RW: 6x DVD+R DL: 8x DVD-R DL: 8x DVD-RAM: 12x CD-R: 48x CD-RW: 32x Read Speeds DVD-ROM (Single): 16x DVD-ROM (Dual): 12x DVD-Video: 6x DVD+R: 16x DVD-R: 16x DVD+RW: 12x DVD-RW: 12x DVD+R DL: 12x DVD-R DL: 12x DVD-RAM: 12x CD-ROM: 48x CD-R: 48x CD-RW: 40x DAE: 40x Access Times DVD-ROM: 145ms CD-ROM: 125ms DVD-RAM: 200ms