LaCie Dupli Disc DVD121 16x. CD write speed: 48 x, CD rewrite speed: 32 x, DVD+R write speed: 16 x. CD read speed: 48 x, DVD+RW read speed: 8 x, DVD-RW read speed: 8 x. Interface: USB 2.0. Dimensions (WxDxH): 180 x 176 x 400 mm, Weight: 7000 g. Bundled software: -Easy Media Creator 7. -Toast 6.1 Lite.