Description:100% brand new and high quality. Support 3 x USB ports， transfer speed up to 5Gbps.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.Support the following 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-Low profile supported-5V 900mA power output( if power low 900mA， can use the card without USB cable )Support system : Windows 2000/XP/2003/Vista/Win 7 of 32 / 64 bit serverPackage includes:1 x Express USB3.0 3ports Card