Plextor PX-750A Internal DVD-ReWriter Drive, Bulk. CD write speed: 48 x, CD rewrite speed: 24 x. CD read speed: 48 x. DVD drive average random access time: 140 ms, Access time: 130 ms. Disc loading type: Tray, Drive device, buffer size: 2 MB, Interface: IDE (ATAPI). Media types supported: DVD+R, DVD-R, DVD+R DL, DVD-R DL, DVD+RW, DVD-RW, CD-R, CD-RW, DVD-RAM