@bperry1956  As long as your system has a USB 3.0 port, then yes you can use that to get Gigabit Ethernet.  The limitation on the system stems from the Ethernet controller chip embedded onto its motherboard.  With a USB Ethernet adapter, the Ethernet controller chip you're using is embedded into the adapter, and since USB 3.0 supports much higher data speeds than Gigabit Ethernet, that will not create a bottleneck between the Ethernet controller within the adapter and the system itself.