According to rumours, AMD plans to refresh its Threadripper series next month, thereby replacing current Threadripper 3000 SKUs. Threadripper 5000 processors will take their place, with up to 64 cores based on AMD's Zen 3 architecture. The workstation processors will support quad-channel RAM and a TDP of up to 280 W.
https://www.notebookcheck.net/AMD-Ryzen-Threadripper-5000-series-to-arrive-in-August-with-up-to-64-cores.550820.0.html