Adds 20 USB 3.1 5Gbps ports with 5V/2.1A power output to your system USB 3.1 data and fast charge up to 20 tablets, Smart Phones, Mobile devices, and other USB devices to your computer USB 3.1 data transfer of up to 5Gbps with up to 5V/2.1A power output on each USB 3.1 port syncs and fast charges your devices in no time at all Works with high-bandwidth USB 3.1 devices, such as external hard disks, high resolution webcams, camcorders, video surveillance cameras, digital video cameras, multi-channel audio, and backward compatible with USB 2.0 and USB 1.1 devices Built-in 200 Watt (5V/40A) power supply provides reliable and safe power Power switch conserves energy when not in use, built-in LED provides easy recognition of power status Embedded temperature sensing cooling fan ensures reliable performance and long life Wall mountable metal housing with durable attractive finish allows easy installation in any environment