NEC AD-7630 Black. CD write speed: 24 x, CD rewrite speed: 16 x, DVD+R write speed: 8 x. CD read speed: 24 x, DVD-R Dual Layer read speed: 4 x, DVD-RAM read speed: 8 x. DVD drive average random access time: 190 ms, Access time: 190 ms, CD-ROM drive average random access time: 190 ms. Disc loading type: Slot, Drive device, buffer size: 2 MB, Optical drive type: DVD-RW. Dimensions (WxDxH): 129 x 128 x 12.7 mm, Weight: 0.16 kg