HP SP/CQ DVD+CD-RW Combo OB XE4500, IDE/ATA, 8x, 4x, 24x, 8x HP SP/CQ DVD+CD-RW Combo OB XE4500. Interface: IDE/ATA. CD write speed: 8x, CD rewrite speed: 4x. CD read speed: 24x, DVD+R read speed: 8x