What is the Ethernet speed of this adapter? John April 02, 2021 22:22 Updated Follow This adapter is capable of 10/100/1000 Gigabit Ethernet speeds. Related articles Can this adapter be plugged into a printer to connect to a network? Quick Guide and Instructional Manual Fixing Ethernet Issues Quick Guide and Instructional Manual Will Clamp Hub Pro work with late 2015 iMac 5K Retina Display? Comments 0 comments Please sign in to leave a comment.