SHARKK Aluminum 4 Port USB 3.0 Hub With 5Gbps Transfer Rate Plug & Play Conveniently consolidates wiring by transforming a single USB port into four! Easy-to-use Plug & Play design, no software installation required. Advanced USB 3.0 technology allows for data-transfer speeds of up to 5Gbps. Please Note: This hub is not meant to serve as a stand-alone charger and is not compatible with iPads or other devices with irregular charging requirements. Compatible with Mac, Windows and Linux operating systems.