The EX-12003 USB 3.1 (Gen2) PCIe (Gen3) (x2) card provides two external Super-speed+ USB 3.1 ports with C-socket. It has been developed to connect two additional USB 1.1, 2.0, 3.0 and 3.1 devices to your workstation, desktop or server. It supports USB 1.1 Low-speed (1.5Mbps), Full-speed (12Mpbs), USB 2.0 High-speed (480Mbps), USB 3.0 Super-speed (5Gbps) and USB 3.1 Super-speed+ (10Gbps). It is the perfect technology for external storage enclosures, digital cameras, webcam, scanners and more. To support the 3.0A power supply on the external USB 3.1 ports, you do not need an additional power supply from the PC power supply. With the EX-12003, a low profile bracket is supplied for use with narrow housings up to a maximum height of 8cm.