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U3142CX1 is a PCIe X1 expansion card built with ASM 3142 chip, providing two USB 3.1 Gen2 Type-C ports with 10Gbps super speed. It supports high-speed data transfer and fast charging for USB-C devices. The package includes regular and low profile brackets, compatible with full size and compact computer cases. Simple installation without complex configuration, stable circuit design ensures low power consumption and reliable performance, ideal for desktop motherboard USB-C interface upgrade, DIY assembly and daily high-speed peripheral connection.