1.Stable and reliable UPD720202 chipset.Suitable for notebook computer (or contain ExpressCard Slot Computer) 2.It supports express card slot(34mm or 54mm),not support Pcmcia(cardbus) slot 3.2 USB 3.0 specifications port.Suitable for laptop and desktop with 34mm/54mm slot.Transfer rate 5Gbps 4.Support USB series specifications (Compatible USB 1.1 Full-Speed / 2.0 High-Speed).Support Super-Speed 5Gbps, High-Speed 480Mbps, full-speed 5.12Mbps and low-speed 1.5Mbps data transfer rate.Support Support XP / vista / Win 7 / 8/ server 2008 Specification: Name: PCMCIA port Express card Interface: USB3.0 colour:Silver Material:Aluminum alloy + ABS size:75 x 34 x 5mm Package Contents: 1 x Express Card Adapter 1 x Driver CD Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.