PLDS DX-20A3H DVD Writer. CD write speed: 48 x, CD rewrite speed: 24 x, DVD-R9 write speed: 8 x. CD read speed: 48 x, DVD-ROM read speed: 16 x. DVD drive average random access time: 130 ms, BD-ROM average random access time: 130 ms. Drive device, buffer size: 2 MB, Interface: USB. Dimensions (WxDxH): 165 x 197.71 x 57.5 mm, Weight: 1100 g