2-Port SuperSpeed+ USB-A PCI-Express Card. IOGEARs GIC3U2 2-port USB-A PCI Express card adds USB 3.1 (gen2) Type-A ports to your computer. The high performance expansion card includes a low-profile bracket and features efficient construction that fits into any x4, x8 and x16 PCIe slot. This PCIe card instantly upgrades your computer by equipping it with a lightning fast data transfer rate of 10Gbps, thats twice the speed of USB 3.0 (5Gbps) and almost 20 times that of USB 2.0 (480Mbps). Each USB port supplies a maximum power output of 5V/3A to fast-charge your devices. The card is fully compliant with USB 3.1 Specification Revision 1.0 and PCI Express Specification 3.0. With more bus bandwidth and high performance capabilities, this expansion card is perfect for transferring and accessing data with external hard drives, and other high bandwidth USB 3.1 peripherals.