LRSU3A42-2A is based on ASM 3142 PCIe to 2 ports USB 3.1 interface conversion card, supports PCIe 3.0 and USB 3.1 specifications, Support 10 Gbp high speed, bridge the PCIe interface to the two ports of USB 3.1, so that the external storage device has higher transmission Input rate . USB 3.1 is twice as fast as USB 3.0 and much faster than USB 2.0. It can connect two USB 3.1 device and backward compatible with USB 3.0, USB 2.1, USB 2.0, USB 3.1, PCIe 3.0, PCIe 2.1, PCIe 2.0 interface specification.