After I fixed computer, i can raise up my memory Corsairs 32 GB (2x16) easily from 2666 to 3000, just setting it. No issues, no freeze, nothing, all good.
The case do not fixed mainboard properly causing bad contact.
AMD 5 5600X, 4.65 GHz
ADATA FALCON NVM-e
RTX 2060 PCYes
Corsair Memory 16x2...