What kind of stability issues are you seeing? Have you OC'd? What are you running as OS? Windows or Linux?
That said, I got it sorted out. It turned out to be an incompatibility with both the NVMe disk I was using as well as an incompatibility with the memory I had purchased.
Getting the exact parts listed in your motherboard manufacturer's compatibility list appears to be pretty important for Ryzen currently. It's been rock solid since I swapped out those components.