Recommendations on cooling and temperatures

Dec 6, 2018
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I have a couple questions about cooling and what temperatures should be at.

I just finished my new build like a week or 2 ago and everything seems to be running normally from what I can tell, but I have some questions. (first build)

1. How should the intake vs exhaust be? Right now I have my rear fan as an intake and my top fan as an intake. My front radiator (EVGA CLC 240) is an exhaust. So 2 intake 2 exhaust. I have tested having my rear as an exhaust but I think my cpu gets better temps having it this way but im not completely sure and would like some advice.

2. While stress testing my cpu using aida64 after about 5 or so minutes my highs are about 72C (never really goes higher than this while stress testing) I have a i7-8700k OC to 4.7ghz. Are these temps okay? My idles are about 35C-40C give or take

Sorry if these are really basic questions but looking online has so many mixed answers its hard to tell...

This is my full build if it helps https://pcpartpicker.com/list/rtRmKB
 
Solution
You have your fans backwards.
Front should be intake, rear and top should be exhaust.
That being said, you case is not good for using a liquid cooler, extremely limited fan placement and airflow.

Temps are reasonable, you really should run the stress test longer, see what temps are an hour in.
You have your fans backwards.
Front should be intake, rear and top should be exhaust.
That being said, you case is not good for using a liquid cooler, extremely limited fan placement and airflow.

Temps are reasonable, you really should run the stress test longer, see what temps are an hour in.
 
Solution
Dec 6, 2018
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Thats what I thought but when I was trying to mount it this way I didn't see a way to do it unless im missing something...

After about 1 hours what should temps be and what is considered dangerous?
 
Dec 6, 2018
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Okay I switched the fans so the rear and top are exhaust fans with the radiator being an intake and after 1 hour of stress testing this was the result

much lower idle and averages overall

https://gyazo.com/3ea8b178b67c792bda53324a72716fbe

Looks a lot better to me, thanks for the help :)