Here are all the laptops getting NVIDIA's new Quadro RTX graphics | Engadget
Amazon.com: MSI WS65 9Tk-688 15.6" Thin and Light Mobile Workstation, Intel Core i7-9750H, NVIDIA Quadro RTX 3000, 32GB, 512G NVMe SSD, Win10 Pro : Electronics
ASUS ProArt Studiobook Pro X 17" (4TB SSD, Intel Xeon E-2276M, 2.8GHz, 64GB RAM, NVIDIA Quadro RTX 5000) Workstation - Star Grey (W730G5T-XH99) for sale online | eBay