Corsair A500 CPU air cooler review

Cooling 189 Page 11 of 12 Published by

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Core i9 9900K OC at 5000 MHz 1.35 volts

Core i9 9900K OC at 5000 MHz 1.35 volts

1.35 V and higher voltages can cause serious problems for Coffee Lake CPUs because of the TIM used under the heat spreader. Luckily the 9th generation uses solder again. Our Core i9 9900K was set to 5000 MHz, at 1.35 volts. Again, wPrime 2.10 (3 times, 1024 M) was used. IDLE temperature measurements are taken in the desktop, with almost no stress to the CPU.


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The temps shouldn’t go beyond 90°C, as otherwise, the CPU might degrade and also throttling can occur (especially applicable to the AMD Ryzen range, which normally operates at lower temperatures). The Corsair A500 did a very decent job with our Core i9 9900K. Let’s try it with a voltage higher than 1.35 V. 

Core i9 9900K OC at 5000 MHz beyond 1.35 volts

 There are five stages for the charts below:

  • Default
  • 5.0 GHz @ 1.35 V
  • 5.0 GHz @ 1.4 V
  • 5.0 GHz @ 1.45 V

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The Corsair A500 managed to keep the CPU temperatures under control until 1.35 V (so the minimum required for this CPU). The final result is good, considering that it’s “just” an air cooler, but overall the noise is becoming very significant.

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