Connect an hdmi equipped display through usb 30 and add three additional usb devices to the same usb 30 port with a built in usb 30 hub the usb32hdeh3 usb 30 to hdmi adapter turns a usb 30 port into an hdmi output port with 1920x12001080p video support the adapter features a built in 3 port usb 30 hub which enables you to connect three different usb devices along with the display adapter to the same usb 30 port an ideal workaround for ultrabook or laptop computers that have a lim