OWC Thunderbolt 3 Dock with integrated 10 gigabit Ethernet port. Simplest way to get laptops onto 10G Ethernet networks that we use to test rXg. Drop these in where you would have
OWC Thunderbolt 3 10G Adaptateur Ethernet | eBay
OWC 10G Ethernet PCIe Network Adapter
OWC : un adaptateur Thunderbolt 3/10 Gigabit Ethernet | MacGeneration