HIGH-SPEED USB PCIE CARD: Upgrade your desktop or server with four dedicated USB-A ports for up to 40Gbps of combined bandwidth, supporting data-heavy workflows, external drives, or high-speed USB network adapters MAXIMUM THROUGHPUT WITH DEDICATED CONTROLLERS: Each USB 3.2 Gen 2 port uses an independent controller to support up to 10Gbps per port, ensuring consistent performance even when multiple devices are connected simultaneously DESIGNED FOR BROAD COMPATIBILITY: This plug-and-play card works with Windows, macOS, and Linux systems, installs into a PCI Express 3.0 x4 (or larger) slot, and ships with a full-profile bracket ADD RELIABLE POWER WITH AUXILIARY SATA: Use the built-in SATA power connector to supply up to 5V 2A (10W) per port, ensuring stable performance for bus-powered devices and peripherals when motherboard power is insufficient THE IT PRO'S CHOICE: Our USB expansion cards are built for consistent performance in professional environments and are tested for compatibility across operating systems and hardware; Backed by free lifetime 24/5 multilingual technical assistance