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U3142A is a PCIe X4 expansion card equipped with the ASM 3142 chip, adding two USB 3.1 Gen2 Type-A ports to your desktop. It supports simultaneous 10Gbps high-speed data transfer and is backward compatible with older USB devices. The card works in PCIe X4/X8/X16 slots and comes with both standard and low-profile brackets for wide chassis compatibility. Each port provides 5V/2A power for external devices like industrial cameras, VR gear, and USB NVMe enclosures. Featuring plug-and-play installation and stable circuit design, its perfect for desktop USB interface upgrades, DIY builds, and high-speed peripheral connectivity.