So I found a site claiming the existence of a dual cpu motherboard with am4 socket compatible with threadripper pro. Is it true? Can you put 2 ryzen CPUs in it? Link
7HXY6 Dell Optiplex 5055 SFF Dual DP Socket Am4 Ddr4 Desktop Motherboard for sale online | eBay
Amazon.com: ASUS AMD AM4 Pro WS X570-Ace ATX Workstation Motherboard with 3 PCIe 4.0 X16, Dual Realtek and Intel Gigabit LAN, DDR4 ECC Memory Support, Dual M.2, U.2, and Control Center :
MSI A520M-A PRO Gaming Motherboard (AMD AM4, DDR4, PCIe 4.0, SATA 6Gb/s, Dual M.2, USB 3.2 Gen 1, DVI/HDMI, Micro-ATX)