Feature:100% Brand new and high quality!
Support 3 x USB ports, transfer speed up to 5Gbps
Stable and reliable FL1100 chipset
Compatible with PCI-Express and 1.0a
Complies with PCI express base specification revision 2.0
Complies with universal serial bus 3.0 specification revision 1.0.
Data transfer rate:USB 2.0 mode up to 480 Mbps
USB 3.0 mode up to 5 Gbps
Faster than High-Speed USB 2.0
Support system : Windows 2000/XP/2003/Vista/Win 7 of 32 / 64 bit server
Package Included:1 x 54mm Express Card ExpressCard to 3 Port USB 3.0 Adapter for Laptop
NO Retail Box. Packed Safely in Bubble Bag.