PLDS eSAU108. CD write speed: 24 x, CD rewrite speed: 24 x, DVD-R9 write speed: 6 x. CD read speed: 24 x, DVD+R read speed: 8 x, DVD-R read speed: 8 x. DVD drive average random access time: 130 ms, CD-ROM drive average random access time: 110 ms. Optical drive type: DVD±R/RW, Interface: USB, Mounting: Vertical/Horizontal. Media types supported: CD-R, CD±RW, DVD±R, DVD±RW, DVD±R DL, DVD-RAM, Optical disk diameter: 120 mm