A promo video from MSI has seemingly shown off AMD's Ryzen Threadripper 3990X by accident. The clip was focusing on the manufacturer's Creator TRX40 board that is capable of supporting the new 3rd Gen Threadrippers. However, a system clue has apparently given away the fact that it was not a Threadripper 3960X or 3970X behind the scenes.
https://www.notebookcheck.net/MSI-blunder-confirms-existence-of-incredible-3rd-Gen-AMD-Ryzen-Threadripper-3990X-with-64-cores-and-128-threads-of-processing-power.442132.0.html