Some progress with eventual DRAM voltages since the Vdroop (errors within 10 seconds of test) was killing my runs.
1.16 SA
1.51 VDD Mem (Training -100mV, MSI only has presets in 50mV increments)
1.41 VDDQ Mem
1.27 VDDQ CPU
1.39 VDD2
Bandwidth looks healthy now (still waiting on heat sinks), air...