LG GP40LB10. CD write speed: 24 x, CD rewrite speed: 24 x, DVD+R write speed: 8 x. CD read speed: 24 x, DVD+R read speed: 8 x, DVD-R read speed: 8 x. DVD drive average random access time: 220 ms, CD-ROM drive average random access time: 210 ms. Disc loading type: Tray, Drive device, buffer size: 1.5 MB, Interface: USB. DVD-ROM transfer rate (sustained mode): 11.08 MB/s, Burst transfer rate: 60 MB/s