Fully compliant with Universal Serial Bus 3.1 (Gen 1) Specification. Backwards Compatible with USB 3.0, 2.0 and 1.1 devices. USB 3.1 (Gen 1) transfer rates maximum up to 5.0Gbps, (Full-speed 12Mbps/High-speed 480Mbps/Super-speed 5.0Gbps). 4 ports with current overload detection and protection function. No device driver required for hub installation, plug ‘n’ play. Hot-swapping feature allows you to connect/disconnect devices without powering down the system.