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This FS-4C-U8S-Pro 8-Port PCIE USB 3.0 expansion card features 4 dedicated 5Gbps channels with total 20Gbps high bandwidth, allowing multiple USB 3.0 devices to work simultaneously without speed drop. Adopting built-in FebSmart self-powered technology, it provides sufficient and stable power supply to avoid unrecognized devices or unstable connection caused by insufficient power. It adds 8 high-speed USB 3.0 ports for desktop computers, perfectly solving the shortage of motherboard external interfaces. Compatible with standard PCIe slots, supports Windows and Linux systems with plug-and-play function. Exquisite craft and optimized circuit design ensure low heat generation and stable signal transmission, ideal for office equipment connection, industrial host expansion and daily multi-peripheral simultaneous use.