LaCie d2 Blu-ray XL. DVD-R write speed: 16 x, DVD+R write speed: 16 x, DVD-RW write speed: 6 x. DVD+R read speed: 16 x, DVD-R read speed: 16 x, DVD-RW read speed: 12 x. Interface: USB 2.0 & FireWire 400. Width: 173 mm, Depth: 268 mm, Height: 44 mm. Colour of product: Black, Silver