USBGear Switchable USB 3.0 Metal 4 Port Surface Mounting Hub Fully Compliant with USB 3.0 with 5Gbps Data Speeds Backward compatible with USB 2.0 and USB 1.1 versions Any of the USB 3.0 4 ports can be turned off at any time Can be mounted to walls, under tables, or other flat surfaces Options for Bus Powered or AC Powered for high power conditions