LGB304AE, Gigabit Ethernet Switch with EU Power Supply - 4-Port - Black Box
Amazon.com: StarTech.com USB 3.0 to Gigabit Ethernet Adapter for Windows and Mac - 10/100/1000 NIC Network Converter - USB to RJ45 Gb Network Adapter for Laptop and Desktop Computers - USB Bus
USB self-powered mini switch (4 Gigabit Ethernet ports) - Network switch - LDLC 3-year warranty | Holy Moley