Add three USB-A ports and one USB-C port via two host controllers through a standard PCI Express slot - PCIe to USB 3.1 card is perfect for PC upgrades or builds - Expand the USB capabilities of your system with four new USB ports - Works with older USB 3.0 & 2.0 devices - USB C PCI-E controller card w/ optional LP4 or SATA power connector provides up to 900mA per port - USB 3.1 Type C PCIe Card with UASP - USB C PCI-E card / 4 Port USB 3.1 Card / USBC Expansion Card / USB 3.1 Gen 2 PCIe Card