Panasonic VW-BN01. DVD+R write speed: 24 x, DVD-R write speed: 24 x, DVD+RW write speed: 8 x. Disc loading type: Tray, Interface: USB, Mounting: Horizontal. Optical disk diameter: 120 mm. Data transfer rate (max): 480 Mbit/s. Dimensions (WxDxH): 168 x 198 x 58 mm, Weight: 1200 g, Height: 58 mm