https://wccftech.com/intel-discontinues-skylake-x-9th-gen-hedt-and-skylake-xeon-w-workstation-cpus/

Intel has officially announced the discontinuation of its entire Skylake-X HEDT & Xeon W-2000 CPU families. The move is primarily due to the fact that the said chips have been replaced by new parts which include the Cascade Lake-X HEDT & Xeon W-3000 series family which has been on the retail market for a while now.

The discontinuation process was announced by Intel (via Computerbase) as of 9th July 2020. The last shipments will be made on 9th July 2021. As for the discontinued processors, the list includes all 9th Gen Skylake-X HEDT CPUs along with several Xeon W-2000 series parts. Do note that both families are based on the Skylake-X architecture which has now been replaced by Cascade Lake-X architecture.