LaCie USB 3.0 ExpressCard/34. Host interface: ExpressCard, Output interface: ExpressCard 34mm. Data transfer rate: 5000 Mbit/s. Width: 34 mm, Depth: 115 mm, Height: 21 mm. Colour of product: Black, Silver. Connectivity technology: Wired, Supported data transfer rates: 480 Mbit/s, Compatible operating systems: Windows XP/Vista/7