new system:
OCZ 600W PSU
EVGA DDR4 3000 ram 8gb * 2
i5 6600k
asus 710-e
The interesting part is when I install one ram on A2 and B2, every thing works fine with stress testing.
Now after I added video card: HD 7770, the stress testing failed. And I removed ram from B2, stress testing went...