What speed is this Ethernet adapter capable of? John April 02, 2021 22:16 Updated Follow A. This adapter will support 10/100/1000 (Gigabit) Ethernet speeds. Related articles What if I am experiencing Ethernet issues? Quick Guide and Instructional Manual What is the speed of the Ethernet port on the Type-C Pro Hub with Ethernet? What is the Ethernet speed of this adapter? How do I know if my AirPods case is compatible with the USB-C Wireless Charging Dock? Comments 0 comments Please sign in to leave a comment.