1. 4-Port USB Expansion Card: The UP4000 allows you to effortlessly add four USB-A ports to your desktop computer through a PCI Express (1X) interface. With USB 3.0 support, these ports provide a maximum data transfer speed of 5Gbps, perfect for transferring audio files, photos, and large data sets quickly. 2. No External Power Required: This expansion card eliminates the need for an external power adapter. It supplies a maximum of 5V/12A power for high-demand devices, such as HDD/SSD enclosures and VR sensors (Note: does not support BC 1.2 charging). 3. Safe and Stable Data Transfer: Equipped with a high-performance Fressco FL1100 USB 3.0 host controller, the UP4000 features: - A dedicated power module providing 12A total (5V/3A per port) to ensure sufficient power for connected devices. - Four circuit protection mechanisms, along with voltage-stabilizing capacitors and inductors, to safeguard your data integrity. 4. Wide Compatibility: The UP4000 is compatible with PCIe 4.0, 3.0, 2.0, and 1.0 motherboards. It supports a variety of operating systems, including Windows 7, 8, 10, 11, MacOS, and Linux. Note: Windows 11/10/8 and MacOS 10.8.2/Linux do not require additional drivers, while Windows 7 needs a driver that is included on the provided CD. Use Scenarios: - Connect multiple external hard drives for seamless data backup and storage expansion. - Use with high-performance VR devices to ensure quick response times and minimal latency. - Enhance your desktop setup by adding additional USB peripherals like printers and scanners for improved productivity.