⚡ Unleash the Power of Connectivity! Compatible with PCIE X4, X8, X16 slots for ultimate flexibility. Built-in Smart Power Control delivers up to 5V/3A per port, no extra cables needed. Add 2x USB 3.1 GEN2 ports for lightning-fast data transfer. Driver-free installation on modern Windows and seamless compatibility with Mac OS. Stay ahead with the latest ASMedia ASM3142 USB 3.1 controller technology. 10Gbps Speed Universal Compatibility Smart Power Control The LTERIVER PCE-U31AC is a cutting-edge PCIE to USB 3.1 GEN2 expansion card that adds two high-speed USB ports to your desktop, ensuring seamless data transfer at up to 10Gbps. With Smart Power Control technology, it provides efficient power management without the hassle of additional cables. Compatible with a wide range of operating systems, this card is designed for both Mac and PC users, making it a versatile addition to any tech setup.