BenQ DVD+ -RWDLDW1620 pro, 2 MB, 40x, 24x, 40x, 120 ms, 8 - 80% BenQ DVD+ -RWDLDW1620 pro. Drive device, buffer size: 2 MB. CD write speed: 40x, CD rewrite speed: 24x. CD read speed: 40x. DVD drive average random access time: 120 ms. Weight: 1 kg