When I switched to a high speed Internet business account, I needed to plug my Mac directly into my new modem. This required a Thunderbolt to Ethernet adapter. Rakuten offered this product at almost half the price of all other vendors. The adapter arrived in a timely manner and works perfectly.
The Apple Thunderbolt to Gigabit Ethernet Adapter lets you easily connect to a high-performance Gigabit Ethernet network. Small and compact, it connects to the Thunderbolt port on your Mac computer and provides an RJ-45 port that supports 10/100/1000BASE-T networks.