The Patriot PCUSB3PCIE is an add-in card allowing you to enhance your PC with blazing fast USB 3.0 technology. With this PCI Express (PCIe) card, you can add two high-bandwidth SuperSpeed USB 3.0 devices to your PC with support for data transfers of 5Gbps! This works with a wide variety of USB 3.0 devices: hard disk drives, digital video cameras, video surveillance products, high resolution webcams and more. The PCUSB3PCIE is backwards compatible with USB 2.0 and 1.1 devices and works with Windows XP, Windows Vista (32-bit & 64-bit) and Windows 7 (32-bit & 64-bit). PCUSB3PCIE offers 2 x USB 3.0 (Type-A, external) connections, is compliant with USB 3.0 specifications Rev 1.0.