I'm using a Ryzen 1700X for cooling. It works. but for this purpose I would not recommend it. I applied some MX4 thermal paste to help with thermal effects, but it still jumps into the 70s during intense gaming or video playback. On a lower wattage processor I could see it running great but I don't think it matches what I have set up in my mini-ITX case with a GTX 1080.
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