Trendnet TU-400E is a 4-Port Compact USB Hub that allows you to connect up to four USB devices to your computer, expanding your connectivity options. It supports USB 2.0 High Speed for fast data transfer rates of up to 480Mbps, and is backward compatible with USB 1.1 devices. With its plug-and-play and hot-pluggable design, you can easily connect and disconnect devices without restarting your computer. It's perfect for connecting peripherals like external hard drives, printers, scanners, digital cameras, and more, making it an ideal solution for home or office use.