Lite-On eTAU 108. CD write speed: 24 x, CD rewrite speed: 24 x, DVD-R9 write speed: 6 x. CD read speed: 24 x, DVD+R read speed: 8 x. DVD drive average random access time: 180 ms, BD-ROM average random access time: 180 ms. Drive device, buffer size: 2 MB, Interface: USB. Dimensions (WxDxH): 142.1 x 143.8 x 19.4 mm, Weight: 362.8 g, Height: 19.4 mm