NEC ND-3551 DVD RW Beige. CD write speed: 32 x, CD rewrite speed: 32 x, DVD-R9 write speed: 8 x. CD read speed: 48 x, DVD+R read speed: 16 x, DVD-R read speed: 16 x. Access time: 140 ms. Disc loading type: Tray, Drive device, buffer size: 2 MB, Optical drive type: DVD-RW. Media types supported: DVD-ROM, DVD-R (DL - 2005), DVD-RW, DVD+R, DVD+RW,DVD+R9,CD-ROM, CD-R & CD-RW - 80mm & 120mm, Write methods: DAO, SAO,TAO + zero gap, variable / fixed packet, multisession