Kanguru External DVD+/-RW. CD write speed: 52 x, CD rewrite speed: 32 x, DVD+R write speed: 20 x. CD read speed: 48 x, DVD-ROM read speed: 20 x. Access time: 140 ms. Drive device, buffer size: 2 MB, Interface: USB. Dimensions (WxDxH): 244 x 155 x 44 mm, Weight: 1.292 kg