Intel has officially confirmed that Rocket Lake-S will be Comet Lake-S successor for desktops and gaming PCs. The 11th gen Rocket Lake-S will offer Xe-LP graphics, support for PCIe Gen4, and is slated for a Q1 2021 availability. Intel didn't go any further into configuration specifics, but we do get to hear that Rocket Lake-S will be based on the Cypress Cove architecture, which is a backport of Willow Cove on 14 nm.
https://www.notebookcheck.net/Intel-confirms-Rocket-Lake-S-with-PCIe-Gen4-support-coming-to-desktops-in-Q1-2021.497345.0.html