100% Brand New, Stable and reliable NEC UPD720202 chipset Suitable for notebook computer (or contain ExpressCard Slot Computer), It supports express card slot (34mm or 54mm), not support Pcmcia (cardbus) slot. Suitable for notebook computer (or contain ExpressCard Slot Computer) Suitable for laptop and desktop with 34mm/54mm slot Support USB series specifications (Compatible USB 1.1 Full-Speed / 2.0 High-Speed) Support Super-Speed 5Gbps, High-Speed 480Mbps, full-speed