801 ChipsetCompatible with USB 20 EHCI and USB 11 OHCIUSB 30 interface (10x faster USB 20)Supports 4 USB 30 Type ACompatible with PCI-Express Revision 10aCompatible with USB 20 and USB 11Transfer rate up to 5GbpsPlug and PlaySupports Hot-Swap1 free PCI Express slotOperating systems Windows XP VISTA 78 (32 bits and 64 bits) With this PCI Express card you can easily add 4 USB30 ports to your computer or computer system and achieve transfer speeds up to 5GbpsÇ which is 10 times faster than with your old USB20 You can also manage large files at blazing speedsThe APPPCIE4P is easy to install just enter the PCI Express USB30 controller card into a free PCI Express slot on your computer install the drivers included and Ready!