The boxed cooler had big problems keeping the CPU stable at 3.4Ghz. It was just stable enough to run prime custom 20K FFT. Trying to boot at 3.5Ghz resulted in lockups, BSOD's or straight errors when starting prime. When the testing was over I immediately removed the motherboard from the PC. Imagine it takes a few minutes to do so, then I started to remove the stock cooler, I can assure you it was still very hot. Its fan also spun flat out all the time during the test and was very audible. With the TRUE doing the cooling, the rig behaved far better. Squeezing 22°C off the boxed cooler is already very nice. Even testing at 3.5Ghz was no issue. More however, was limited by this particular CPU we tested. The Corsair H50 continued to impress me, by gaining 2°C over the TRUE setup.
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