Plextor PX-608CU . CD write speed: 24 x, CD rewrite speed: 24 x, DVD+R write speed: 8 x. CD read speed: 24 x, CD-R read speed: 24 x, DVD-ROM read speed: 8 x. DVD drive average random access time: 160 ms, CD-ROM drive average random access time: 150 ms. Drive device, buffer size: 2 MB, Interface: USB. Dimensions (WxDxH): 137 x 143 x 16 mm, Weight: 250 g