The uh400 supports all usb devices including usb drives mice printers or any other usb device you want to run simultaneously usb 30 ports offer transfer speeds of up to 5gbps 10 times faster than the usb 20 standard usb 30 ports offer transfer speeds of up to 5gbps 10 times faster than standard usb 20 the 4 data transfer ports mean you don39t have to switch between devices compact design with a retractable cable makes it an ideal usb hub on the go uh40039s multiple protections avoid any pote