LG 20x External Super Multi Security DVD Rewriter. CD write speed: 20 x, CD rewrite speed: 20 x. CD read speed: 48 x, DVD-R read speed: 16 x, DVD-RW read speed: 12 x. Disc loading type: Tray, Drive device, buffer size: 2 MB, Interface: USB. Dimensions (WxDxH): 160 x 230 x 50 mm, Weight: 1.5 kg, Height: 50 mm. Colour of product: Black, Silver