This USB 3.0 dock combines three USB 3.0 ports, headphone, microphone audio connectors, a Gigabit Ethernet RJ45 port, into a single docking station for maximum productivity. This universal laptop docking station features HDMI, DVI and VGA external monitor outputs. The integrated RJ45 Ethernet port supports speeds of 10/100/1000 Mbps, giving you an instant connection to a wired network. 3-year limited warranty. Black.