Freecom PORTABLE II COMBO, 2 MB, 16x, 10x, 40x, 115 ms, 95 ms Freecom PORTABLE II COMBO. Drive device, buffer size: 2 MB. CD write speed: 16x, CD rewrite speed: 10x. CD read speed: 40x. DVD drive average random access time: 115 ms, Access time: 95 ms. Dimensions (WxDxH): 7.13 x 10 x 2.09" (181 x 254 x 53 mm)