Plextor Internal DVD-ReWriter. CD write speed: 24 x, CD rewrite speed: 24 x, DVD+R write speed: 8 x. CD read speed: 24 x, DVD-ROM read speed: 8 x. DVD drive average random access time: 250 ms, CD-ROM drive average random access time: 160 ms. Drive device, buffer size: 2 MB. Dimensions (WxDxH): 128 x 129 x 12.7 mm, Weight: 180 g