TRIPP LITE U336-002-GB USB 3.0 SuperSpeed to Dual-Port Gigabit Ethernet AdapterAdds 2 Gigabit Ethernet ports via the USB 3. 0 port on Chromebook(TM), notebook or other computer Adds two 10 100 1,000Gbps Ethernet ports via a single USB 3. 0 port Connects both ports to the same network, or a separate network to each port Can be used as a 2 port network switch, with 1 port connecting a computer to a network & the other port sharing the connection with another computer Compatible with Windows(R), Mac(R), Linux(R) & Chromium(R)