IO Crest USB 3.1 2-Port Gen 2 10Gbp/S SuperSpeed Data-Transfer X4 Slot Card (SI-PEX20208) Made by Syba

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AS media ASM1142 chipset external 2 Ports USB 3.1 (2 x USB Type-A port). support all USB 3.1, USB 3.0, USB 2.0, and USB 1.1 devices
USB 3.1 Super speed+ support maximum transfer rate at 10.0 Gaps per port, backward compatible Super 5.0Gbps, high-speed 480Mbps, full speed 12Mbps, and Low speed 1.5Mbps