Motherboard VRM Tier List v2 (currently AMD only) - Page 44 - CPUs, Motherboards, and Memory - Linus Tech Tips
Info - Z390/Z370/H370/B365/B360/H310 Motherboards (LGA1151v2 for Intel 8th & 9th-Gen Coffee Lake) Sortable Comparison Tables | Tom's Hardware Forum
AM4 B450/X470 VRM Tier List : r/Amd
Z490 motherboard VRM list | TechPowerUp Forums
A tier list of all the PC part brands I have had experience with, from completely trustworthy to wouldn't-care-if-they-disappeared. Hope this helps someone in the future. : r/pcmasterrace
AM4 Vcore VRM Ratings to help you decide on a mobo for 3rd gen Ryzen : r/Amd