NEC ND-4551DVD RW Champagne. CD write speed: 48 x, CD rewrite speed: 32 x, DVD+R write speed: 16 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. Write methods: DAO,SAO,TAO