Lenovo MULTI-BURNER PLUS ULTRABAY SLIM, 2 MB, 24x, 10x, 24x, 150 ms, 10 - 80% Lenovo MULTI-BURNER PLUS ULTRABAY SLIM. Drive device, buffer size: 2 MB. CD write speed: 24x, CD rewrite speed: 10x. CD read speed: 24x. Access time: 150 ms. Weight: 210 g