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Temps Too High? Watercooled CPU 80+ *C

Tags:
  • Overclocking
  • Water Cooling
  • Temperature
  • CPUs
  • Koolance
Last response: in Overclocking
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October 9, 2014 10:11:30 AM

I'm running a 3770k @ 4.7 GHz @ 1.304 V. I've got a custom loop running through two 7970s which never exceed 59* C under load (which is how i know the loop is actually moving water). The CPU block is a Koolance 380i. I've got two 240mm Rads with fans pulling in the front and pushing out the top and back. Under full 100% load I've been able to get temps to as high as 79* to 86* across cores. My idle temps are between 27* and 37* across cores. I know that many people have issues with high temps on Ivy Bridges, but this still seems like too much. I have re-seated the block a couple of times and know that is not the problem. Any ideas?

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a c 337 K Overclocking
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October 9, 2014 11:21:13 AM

So you're running an overclocked and overvolted CPU and 2x GPUs that run around 250-270w TDP (each) at stock? On only 2x 240 rads? In the same loop?

There's your problem.

(edited based on TDP for the 7970)
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October 9, 2014 12:26:34 PM

rubix_1011 said:
So you're running an overclocked and overvolted CPU and 2x GPUs that run around 250-270w TDP (each) at stock? On only 2x 240 rads? In the same loop?

There's your problem.

(edited based on TDP for the 7970)


Is it a bad enough problem that I need to look into making changes?
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a c 337 K Overclocking
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October 9, 2014 12:40:25 PM

It's the entire reason you are seeing high temps, but you're going to see higher than normal temps on the CPU anyway (well, GPUs, too) because of the overclock...the cores will report hotter. Basically, your loop delta-T is higher than you really want it to be, so you aren't able to cool components as efficiently.
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