The new Xeon W-3175X workstation-oriented processor sports no less than 28 cores and 56 threads, runs at 3.1 GHz (4.3 GHz turbo boost), has a TDP of 255 W, and supports up to 512 GB of hexa-channel DDR4 ECC memory. Announced back in October, now it is finally available for purchase at a price of US$2,999.
https://www.notebookcheck.net/Intel-releases-the-28-core-Xeon-W-3175X-processor.402476.0.html