The Adesso USB 3.0 7-Port Hub with Power Adapter is light and compact making it extremely easy to carry with you on the go. This hub also comes with power saving switches on each individual ports to conserve power when usb devices are not in use. You will never have to worry about the your high power usb devices not working with the hub because the unit comes with an external power adapter providing extra power to the hub. It is also plug and play across different operating system such as Windows® and Mac OS®. With our daily lives becoming more dependent on usb devices, this usb hub will serve as the perfect usb peripheral to host your usb devices.