Same problem at B550 Motherboard with R5 5600X
Mem-Test is without Error.
System:
R5 5600X
BioStar B550M Silver 5.x( B55BS730.BST (newest Beta, got it via Support)
GTS 450 (only for install process)
4 x 32GB 3600 (tested with and without XMP)
SanDisk Ultra II 960GB
ISO:
proxmox-ve_7.0-1.iso...
