Hyper 212 fan suffocating rear exhaust

Crossvxm · Jul 7, 2016

As the title describes, the fan on the Hyper 212 evo is about 2 inches away from the exhaust and its choking it. All fans are kicked to the max and I assume this is because the Evo uses a fan that is 2000rpm max and the one I have in the rear maxes out at 1500rpm. Is this true or is there something else that is wrong?

InvalidError · Jul 7, 2016

What makes you think that your exhaust fan is "suffocating"? There is nothing wrong with one fan blowing into another, aside from being a little wastefully redundant. If your 212's fan is pulling air away from the rear exhaust, either flip the fan around or mount it on the opposite side of the HSF to make it blow into the exhaust.

Crossvxm · Jul 8, 2016

InvalidError :

I cannot feel air kicking out of the rear from there, just an extremely faint bit of air in one set of holes from the back. If I stop the Evo's fan, you can immediately feel the exhaust fine. I thought that perhaps I set the wrong way since this is new build, but its not. As for the Evo and its fan, I have it mounted with the fan vertically, with just the one fan pulling air away from the heat sink, and the fan is on the left side (which would be towards the rear exhaust if you're looking at it from the side's view). If I turn off the exhaust fan, there is no heat getting trapped on the top of the case and CPU temp stays lower. Yet if I have it on, there is heat getting stuck on the top of the case (I plan on getting the top a fan, but it still wouldn't help the rear) and the CPU temp rises a bit.

InvalidError · Jul 8, 2016

That does sound like the 212's fan may be causing your other fan to stall. You can try moving the fan brackets on the other side of the 212 and put its fan there. Putting the heatsink in-between should eliminate the stall.

k1114 · Jul 8, 2016

Random google image but switch your fan like this. http://img.photobucket.com/albums/v724/Tayloe41800/Games/IMG_1994.jpg Fan should be in a push config on the right of the heatsink blowing air to the left. The fan blades will be convex on the outside as shown so you know the fan is pointed in the right direction.

madmatt30 · Jul 8, 2016

Unless you've physically removed that fan from its plastic mounting & switched it around then it pulling air the wrong way.

The evo fan doesn't pull air away from the heatsink , it blows air into it!

It sounds like you have 2 fans fighting each other here.

Crossvxm · Jul 8, 2016

InvalidError :

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