Well you motherboard is notorious for being awful at overclocking something like the i9... and if you overclocked with voltages set on auto it is very likely you're pumping too much electricity for your AiO to keep up with, VRM's may also be suffering hard as they don't have as much air flow going through them.
You have bought both a bad motherboard and a bad cooling solution (yeah AiO's are just overpriced and only serve for the aesthetic appeal) for a good 5ghz OC.
What you can do is ensure the AiO's functioning right, that it's pump is not dead, "install" it properly with a good thermal paste and then OC your processor manually with fine tuning of the power states and voltages.
Everything looks good. I would get the Strix personally... Also you will need to flash the BIOS with the button behind your mobo and usb stick or else your CPU will not get recognized my friend.
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drago95 reacted to Princess Luna in i9 9900K at 5Ghz running hot
