Samsung SE-W164C - External H/H DVD Writer. CD write speed: 40 x, CD rewrite speed: 32 x, DVD+R write speed: 16 x. CD read speed: 48 x, DVD+R read speed: 12 x, DVD-R read speed: 12 x. DVD drive average random access time: 130 ms, Access time: 110 ms. Drive device, buffer size: 2 MB, Interface: USB 2.0, Mounting: Vertical/Horizontal. Dimensions (WxDxH): 163 x 232 x 50 mm, Weight: 1200 g