ICP DAS USB-2560: 4-Port Industrial USB 2.0 Hub
USB-2560 allows you to add multiple high performance USB 2.0 peripheral devices to your computer (Or XP-8000 series). It supports USB 2.0 high-speed mode and can achieve a 480 Mbps data transmission rate. USB-2560 only supports self-powered mode (drawing power from an external power supply). Externally powered USB hubs guarantee the broadest compatibility for USB devices. More info: http://www.icpdas-usa.com/usb_2560.html?r=amazon