Intel Core i7-3770k 4.0 GHz high temps with water cooling?

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rpeopler

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Dec 8, 2012
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I tried to overclock my i7-3770k to 4.0 GHz, because I recently installed a Cooler Master Nepton 140XL closed loop. I ran Prime95 Small FFTs. Within a few seconds, Core 2 went up to 75C. Core 3 was the coolest at 67C.

I tried remounting the water block and reapplying thermal paste to no avail. Is my water cooler faulty?
 
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rpeopler

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Dec 8, 2012
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I've seen multiple benchmarks involving the Nepton 140XL and it actually performs better than the Nepton 280L and is only 2-3C hotter than the Corsair H100i in stress tests. Even Cooler Master shows a stress test of a stock i7-4770k (Haswell chips are notorious for generating more heat) only maxing out at 47C during a 12 hour period.
 
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Vosgy

Vosgy

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Nov 24, 2014
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Yer I went off and had a look even when going nuts and clocking a CPU @1.45v they had this think running at 71 Degrees C, seems like you have a faulty one. You haven't changed the fan profile or the Voltage to the pump or anything have you?
 
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