Does this give you true gigabit on a gigabit network? Noriko July 11, 2018 08:59 Updated Follow A. Yes, it supports 10/100/1000 Gigabit Ethernet. Related articles Drivers Is it RJ 45 compatible? Fixing Ethernet Issues Can this be plugged into a wall to act as a jack "outlet"? What Macbook is this compatible with? Comments 0 comments Please sign in to leave a comment.