Freecom CD-RW 24xRW52xW52xR USB 2.0 ext, 2 MB, 52x, 24x, 52x, 120 ms, 5 - 80% Freecom CD-RW 24xRW52xW52xR USB 2.0 ext. Drive device, buffer size: 2 MB. CD write speed: 52x, CD rewrite speed: 24x. CD read speed: 52x. Access time: 120 ms. Weight: 1.6 kg