LG 22X DVD-WRITER W/SW SATA BLACK BULK GH22NS50B 22X SATA Super Multi DVD + / -RW Internal Drive (Black). Drive Type DVD+/-RW (+ / -R DL) / DVD-RAM. Storage / Interface Type Serial ATA. Media Type CD-R; CD-RW; DVD+R; DVD-R; CD-ROM; DVD+RW; DVD-RW; DVD-RAM; DVD-ROM; DVD+R DL; DVD-R DL. Enclosure Type Internal. Optical Storage / Read Speed 48x (CD) / 16x (DVD). Optical Storage / Write Speed 48x (CD) / 22x (DVD+/-R) / 16x (DVD+R DL) / 12x (DVD-R DL). Optical Storage / Rewrite Speed 32x (CD) / 6x (DVD-RW) / 8x (DVD+RW) / 12x (DVD-RAM). Buffer Size 2 MB.