After roughly 3 days of testing, I've broken through to an 11:19 (minutes) fail. #6 error in test 7, of TM5 anta 777 absolut. I think I'm on the edge of stability now. I've loosened tWR to 18 and pushed VDIMM to 1.54 (I moved down from 1.56 to 1.5, then slowly back up) to continue tests tomorrow.
Running a 5700X3D on a B550M Mortar
So far I'm at:
14-8-16-16-30-46
4-8-16-4-4-14-18-300
2-2-14-8-14-4-1-4-4-1-6-6-1
CPU voltages: 1.119/0.9/0.95/1.06
34.3 ProcODT with off/3/1
Flat 24 CAD BUS