US Robotics 2-Port USB 3.0 ExpressCard. Host interface: ExpressCard, Output interface: USB 3.0. Width: 40 mm, Depth: 117.3 mm, Height: 14.2 mm. Operating temperature range (T-T): 0 - 40 °C, Operating relative humidity range: 20 - 80 %. Colour of product: Black. Package weight: 0.13 kg