OEMs are fast ditching the Ethernet port in pursuit of thin and light form factors. Despite the availability of newer Wi-Fi standards, Ethernet is still the preferred connectivity option for gamers and power users. The Killer 2.5G Ethernet USB-C Adapter brings the best of Killer's acclaimed networking features in a compact adapter that looks and plays the part. In this article, we explore the Killer 2.5G Ethernet adapter and test it ourselves to see what makes it tick. (Sponsored article.)