LG GH24NS70. CD write speed: 48 x, DVD+R write speed: 22 x, DVD-R write speed: 24 x. DVD+R read speed: 16 x, DVD-R read speed: 16 x, DVD-R Dual Layer read speed: 12 x. DVD drive average random access time: 145 ms, CD-ROM drive average random access time: 125 ms. Disc loading type: Tray, Drive device, buffer size: 2 MB, Optical drive type: DVD±RW. Media types supported: CD-R/RW, DVD-R/RW/RAM/+R/RW+/-R DL