Adds two Super-speed USB 3.0 ports to your PC
Real data transfer rate exceeds 100 MBps
Also lets USB 2.0 devices work faster
Specifications
Ports: 2 pcs, USB 3.0, USB 2.0/1.1 compatible; an extra MOLEX 4 pin power input port
Host interface: PCI-Express
Chipset: NEC D720200F1
Dimensions: 93 x 121 x 19 mm
Net weight: 50 g
System requirements
Free PCI-Express x1 lane (or wider) slot
Windows 2000/XP/Vista/Windows 7, MAC OS v.10.4 or higher (on Intel-based MAC computer), Unix/Linux
http://www.gmb.nl/item.aspx?id=6012