I would say you have a generous spec there the CPU and GPU are certainly more than enough, the ram I would actually advise minimum 32gb RAM because some games like Mankind Divided recommend 16gb RAM add to that if you run a game that needs 16gb RAM you should have extra RAM for the VR headset...
Got one of the best laptops they have to offer for the purposes of gaming, there are some pros and cons to it and I will detail them below but for my opinion I believe this machine is very good and at a good price. Looked at other places for a similar type of specification and found the same...