LaCie Slim Blu-ray USB 3.0. DVD-R write speed: 8 x, DVD+R write speed: 8 x, DVD-RW write speed: 6 x. DVD+R read speed: 8 x, DVD-R read speed: 8 x, DVD-RW read speed: 6 x. Interface: USB 3.0. Width: 157 mm, Depth: 137 mm, Height: 25 mm. Colour of product: Black