Startechcom usb c 30 to gigabit network adaptors black or white startechcom us1gc30b the startechcom us1gc30b gigabit ethernet network adaptor allows you to easily connect to a gigabit network through the usb c or thunderbolt 3 port on your laptop or desktop computer this gigabit ethernet gbe adaptor provides a reliable network connection without having to install drivers its ready to go with native driver support to ensure a quick setup it supports full gigabit throughput by harn