Good laptop with Linux support and Nvidia are kind of opposed. Your best bet would either be a thin and light with thunderbolt and a GPU enclosure, or a System 76 Oryx Pro. https://system76.com/laptops/oryx. - Source: Reddit / 12 days ago
Dell XPS 13 - The XPS 13 ships with either Ubuntu or Windows pre-installed and is a top-of-the line ultrabook, with specs similar to the Macbook Pro 13", but half a pound lighter.
Dell XPS 15 - Dell XPS 15 is one of the most powerful laptops on the market that comes with Intel Core i7 processor and Nvidia GTX 1050 graphics.
Lenovo ThinkPad X1 Carbon - The Lenovo Thinkpad X1 Carbon is an excellent business Ultrabook which will get the job done, no questions asked. It's extremely sturdy and durable without making any compromises in overall design or portability.
Microsoft Surface Book 2 (15-inch) - Microsoft Surface Book 2 (15-inch) is a laptop and tablet that can handle the modern PC games.
Lenovo ThinkPad T480 - Learn more about the ThinkPad T480, a 14 inch light, powerful, and robust business laptop with 8th generation Intel® Core™ i7 processing and long battery life, as well as security and productivity-enhancing features.
Dell Precision 7510 - A mid-range workstation laptop that is best used for demanding tasks.