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Z370-f Gaming + i7-8700K stability issues.

Level 7
Hi all!

First of all, sorry if this is the wrong place to post such a question. It is the closest forum category I found to be relevant.

I am facing stability issues with my current build and some friends of mine suggested to ask for an opinion here so here goes!

Recently I built my new rig and it's around 1 month old but ever since it's been nothing but headache. My specs are (problem description will follow):

MB: Asus Rog Strix z370-f gaming
CPU: i7-8700K
GPU: Asus Cerberus 1070 TI 8GB
RAM: Corsair Vengeance LPX 2x8 GB DDR4
PSU: Seasonic 750W Platinum
SSD: Samsung Evo 970 on M.2 nVME
OS: Win 10 x64 Pro

So basically, no matter what game I play, sooner or later all of them crash to desktop. No error message, nothing in event viewer or anywhere. So basically, it just crashes only the game, Windows is stable and that's it. Worth noting that nothing is OC'ed and I am running the latest drivers, including the BIOS (0809) there is. One peculiar thing, compared to my previous rig is that Chrome keeps getting "Aw, Snap" errors quite often when browsing. I would say way more than it should which directs me to something being wrong with AVX but that is a field I am relatively inexperienced in.

Steps taken so far:

Ran Memtestx86 for almost 24 hours. No issues. I also swapped RAM sticks in and out.
Ran Prime95 for almost 24 hours. No issues.
Ran FurMark on GPU for couple of hours. No issues. I even went as far as grabbing my old 970 to replace 1070TI to eliminate GPU problem.
Checked SSD for bad sectors. Nothing.
RMA'ed PSU to eliminate faulty one. Issue still persists.
Reinstalled Windows clean several times but still having the same problem. I also made sure to make clean boot and disable start up programs to eliminate some software conflict.

So as of now, I only have two more assumptions left:

1) Either MB is faulty.
2) Default (Auto) BIOS voltage or some setting is set at a wrong value causing games to crash when specific scenario (unknown to me) is met.

Does anyone have any ideas what can be the cause or a possible solution?

Thank you!