As has been speculated, Intel will be announcing the specifications, pricing, and initial performance figures of its upcoming Alder Lake platform during its Innovate event on October 27. Initially, the company will focus on top-end SKUs and the Z690 platform. Availability of these processors along with Z690 motherboards is slated for November 4.
https://www.notebookcheck.net/Intel-Alder-Lake-top-end-SKUs-and-Z690-platform-to-be-officially-announced-during-Innovation-event-on-October-27-availability-from-November-4.573759.0.html