Lenovo 41N5567. CD write speed: 24 x, CD rewrite speed: 24 x, DVD+R write speed: 8 x. CD read speed: 24 x, DVD+R read speed: 8 x, DVD-R read speed: 8 x. Interface: USB. Dimensions (WxDxH): 143 x 144 mm, Weight: 330 g, Height: 20 mm. Bundled software: WinDVD Creator Plus