AMD is set to introduce support for DDR5 RAM in 2022, according to a leaked roadmap.

Gamers Nexus claims to have received an internal AMD roadmap from a trusted source which shows that DDR5 support is arriving in 2022 alongside Zen 4 processors. The RAM will be available for desktops and laptops, with the latter having a low-power variant.

DDR5 is the next-gen standard for system RAM, following on from DDR4 which is likely what you’ve got in your PC now (unless you have an old machine still running the previous generation DDR3).
…
Read full post here:
https://www.techradar.com/news/amd-zen-4-cpus-arriving-in-2022-will-be-boosted-by-faster-ddr5-ram-rumor-claims