AMD just confirmed to us that EPYC ZEN 2 CPUs are well on the way to being sampled into datacenters in the 2nd half of 2018. Forrest Norrod assured us that Zen 3, Zen 4, and Zen 5 were steadily being worked on and would bring performance and feature upgrades certainly. He explained that the 7nm ROME CPU silicon is "looking very good." The ZEN 2 ROME CPUs will be fully launched in 2019. It will be socket compatible with current EPYC CPUs. "We are on track with 7nm, and we are delivering."