NEC UPD720200 chipset * Compliant with ExpressCard Standard Release 1.0 * Compliant with USB 3.0 Super-Speed (5Gbps),USB 2.0 Hi-Speed (480Mbps), USB 1.1 Low-Speed (1.5Mbps) * Complaint with xHCI Specification Revision 0.95 * ExpressCard/34 form factor module * Max. 900mA per port * OS Support Windows XP/Vista/7 (32-bit and 64-bit) * Bus Interface Express Card Connectors * 2 x external USB 3.0 connectors