Addonics AEMPMVRWIID. CD write speed: 48 x, CD rewrite speed: 32 x, DVD+R write speed: 20 x. CD read speed: 48 x, DVD+R read speed: 16 x, DVD-R read speed: 12 x. DVD drive average random access time: 145 ms, CD-ROM drive average random access time: 125 ms. Drive device, buffer size: 2 MB, Interface: USB. Dimensions (WxDxH): 258 x 168 x 60 mm, Weight: 1.87 kg