LG GH24NS, Black, Serial ATA, 28x, 24x, 32x, 24x LG GH24NS. Product colour: Black. Interface: Serial ATA. CD write speed: 28x, DVD+R write speed: 24x, CD rewrite speed: 32x. CD read speed: 48x, CD-R read speed: 48x, CD-RW read speed: 48x. DVD drive average random access time: 140 ms, CD-ROM drive average random access time: 120 ms