The EX-11494-3 USB 3.2 Gen1 PCIe (x4 slot) board offer you four external Super-Speed USB 3.0 port. Each port have his one Renesas single chip. Thus, each port reached a full data transfer of up to 5Gigabit per second. The EX-11494-3 it’s design for connect four more USB 1.1, 2.0 or 3.2 Gen1 peripheral device to your Workstation, Desktop or Server. He support USB 1.1 Low-Speed (1.5Mbps), Full-Speed (12Mpbs), USB 2.0 High-Speed (480Mbps) and USB 3.2 Gen1 Super-Speed (5Gbps). It is an ideal technology for external storage devices, digital cameras, webcams, scanners and much more. For support the power of 900mA to the external USB 3.2 Gen1 ports, need the power from the computer case power supply.