LG GP10NB20. 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. Drive device, buffer size: 1.5 MB, Interface: Serial ATA. Media types supported: CD-R/RW/ROM, CD-DA, DVD-R/RW/ROM, DVD+R/+RW, DVD+/-R DL, DVD-RAM, Total storage capacity: 8.5 GB