Is the rj 45 connection compatible with dell xps 15? Noriko July 17, 2019 12:18 Updated Follow Yes, this will connect to the Dell XPS 15's Thunderbolt port and would allow for RJ45 connection. Related articles Does this work with the dell xps 13? Can this hub's USB-A ports and Ethernet be used simultaneously? Fixing Ethernet Issues - macOS Users Is it Surface Book 2 compatible? What if I am experiencing Ethernet issues? Comments 0 comments Please sign in to leave a comment.