Product Description: PCIE 1 to 4 Riser Card with 4 USB 3.0 Ports Upgrade your PC's connectivity and performance with the PCIE 1 to 4 Riser Card. This innovative adapter is designed to expand your graphics interface capabilities, making it an essential addition for gamers, content creators, and tech enthusiasts. Explore the key features that set this riser card apart: PCI E 1 to 4 Expansion: This riser card features a PCI E X1 interface that is fully compatible with X4, X8, and X16 graphics interfaces. With just one PCI E connection, you can expand to four USB 3.0 ports, enhancing your system's connectivity options. Important Note: Please be aware that the adapter card cannot be connected to standard USB devices. The four USB ports transmit PCI E signals instead of USB signals, ensuring optimal performance for compatible devices. Plug-in Design: The riser card adopts a convenient plug-in design, allowing for direct connection to your motherboard interface for power supply. This design eliminates the need for extension cords, reducing clutter and simplifying installation. It can be securely fixed to your chassis, ensuring stability and ease of use. Strong Stability: The main control board utilizes the PCI E interface for direct power supply, meaning no external power cord is required. All four USB 3.0 ports can operate simultaneously, providing reliable performance. Additionally, the card is backward compatible with USB 2.0 and USB 1.0, ensuring versatility across various devices. Wide Compatibility: This riser card supports a total interface for PCIE X1, X4, X8, and X16 graphics card interfaces. It is compatible with USB 3.0 and is downward compatible with USB 2.0 and USB 1.0. The card supports multiple operating systems, including DOS, Linux, Windows XP, Windows 7, Windows 8, and Windows 10, making it a versatile choice for any setup. Enhance your PC's performance and connectivity with the PCIE 1 to 4 Riser Card. Perfect for gamers and professionals alike, this adapter provides the flexibility and stability you need for an optimized computing experience. Order yours today and take your system to the next level!