Philips CD-RW DVD 10xRW32xW40xR 12xDVD USB ext, USB 2.0, 2 MB, 32x, 10x, 40x, 8 - 80% Philips CD-RW DVD 10xRW32xW40xR 12xDVD USB ext. Interface: USB 2.0, Drive device, buffer size: 2 MB. CD write speed: 32x, CD rewrite speed: 10x. CD read speed: 40x. Dimensions (WxDxH): 130 x 174 x 34 mm