Is the rj 45 connection compatible with dell xps 15? Noriko July 10, 2018 19:33 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 Is it Surface Book 2 compatible? Is this cable compatible with Lenovo Yoga 720 Laptops? Comments 0 comments Please sign in to leave a comment.