StarTech.com USB C to Gigabit Ethernet Adapter - Black - USB 3.1 to RJ45 LAN Network Adapter - USB Type C to Ethernet (US1GC30B) - Limited stock, see similar item US1GC301AUW

INSTANT GIGABIT NETWORK CONNECTION: Add a GbE connection using the USB Type C or Thunderbolt 3 port on your computer with this USB C to Gigabit Ethernet adapter. USES USB TYPE-C & THUNDERBOLT 3: Delivers Gigabit speeds using the USB-C or Thunderbolt 3 port on your computer without requiring an internal Ethernet card in your device. NATIVE DRIVER SUPPORT: Simply plug the USB C network adapter into the USB-C port on your laptop and connect to your network. The adapter's Realtek RTL8153 chipset provides native driver support so no driver or software installation is required. COMPACT & SELF-POWERED DESIGN: Compact and portable, this is the ideal desktop LAN adapter or laptop accessory for those who require more portability. It's powered directly from the USB port making it easy to connect when you're on the go.