Samsung CDRW 48X16X48 BULK, IDE/ATA, 48x, 16x, 48x, 110 ms, 770 g Samsung CDRW 48X16X48 BULK. Interface: IDE/ATA. CD write speed: 48x, CD rewrite speed: 16x. CD read speed: 48x. Access time: 110 ms. Weight: 770 g