The flagship chipset is the mysterious X699. Intel’s last xx99 chipset was the X299, which supported the first two generations of Core i9 processors, Skylake-X and Cascade Lake-X. In turn, then, X699 will be associated with some sort of HEDT series, but there’s no information on that yet.
https://www.techspot.com/news/90892-intel-accidentally-spills-beans-their-many-many-alder.html?utm_source=dlvr.it&utm_medium=blogger
https://www.techspot.com/news/90892-intel-accidentally-spills-beans-their-many-many-alder.html?utm_source=dlvr.it&utm_medium=blogger