Lite-On eTDU108. CD write speed: 0 x, CD rewrite speed: 0 x. CD read speed: 24 x, DVD+R read speed: 8 x, DVD-R read speed: 8 x. DVD drive average random access time: 170 ms, CD-ROM drive average random access time: 150 ms. Data transfer rate (max): 480 Mbit/s. Dimensions (WxDxH): 141.8 x 19.8 x 143.1 mm, Weight: 0.3 kg