HP 16X SATA SuperMulti Black Drive. CD write speed: 48 x, CD rewrite speed: 32 x, DVD+R write speed: 16 x. CD read speed: 48 x, DVD+R read speed: 16 x, DVD-R read speed: 16 x. DVD drive average random access time: 140 ms, CD-ROM drive average random access time: 125 ms. Disc loading type: Tray, Drive device, buffer size: 2 MB, Optical drive type: DVD±RW. Weight: 1.2 kg, Height: 44 mm, Depth: 203 mm