Gigabyte X399 AORUS PRO TR4 ATX Motherboard X399 AORUS PRO B&H
AMD X399 (Socket TR4) VRM thread | Overclock.net
Amazon.com: ASUS PRIME X399-A AMD Threadripper TR4 DDR4 M.2 U.2 X 399 EATX HEDT Motherboard with USB 3.1 Gen2, AURA Sync RGB Lighting and 3D Printing Mounts : Everything Else