DDR5 is the next-gen standard that is now emerging with the promise of ultra-fast DRAM to match equally cutting-edge platforms such as Alder Lake. Those 12th-gen Intel processors are currently rated to handle speeds of up to 6,666MHz (or DDR5-6666). Now, G.SKILL claims to have developed the next step in this evolution: DDR5-7000.
https://www.notebookcheck.net/G-SKILL-claims-to-push-its-DDR5-beyond-its-current-top-speed.577699.0.html