Satechi UH-12P USB 2.0 Hub with Power adds twelve additional USB 2.0 ports to PC or Mac, allowing you to connect USB devices such as digital cameras, external hard drives, flash drives, and printers. The hub is uniquely designed so that the two switches can control first six or second six usb ports with the blue Led indicators. Providing data rates of up to 480Mbps, this 12-port hub is the ideal solution for transferring data between your computer and external USB storage devices. Equipped with a power supply, the Satechi UH-12P USB 2.0 hub guarantees the electric current stability and the effective operation of connected USB devices. It does not require any software or complicated installation process. With the slim, strip-shape design, it saves your precious desktop space. It's extremely portable and easy to move between systems or take on the road.