If you're running out of sockets for your USB peripherals, then you definitely ought to take a look at this hub. The Rosewill RHUB-210 is a portable solution to your USB port problems. The RHUB-210 allows up to 4 additional USB ports on a computer. With an optional external power source, it will protect some devices from power issues that may arise from your computer. Its extremely portable and easy to move between systems or take on the road.