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NZXT Kraken X52 Liquid CPU Cooler Review (Page 7)

By Chad Sebring | Mar 28, 2017 10:55 am CDT
Rating: 98%Manufacturer: NZXT

Chad's CPU Cooler Test System Specifications

To see our testing methodology and to find out what goes into making our charts, please refer to our CPU Cooler Testing and Methodology article (October 2016) for more information.

Thermal Results


To get our results for the stock run, we left the software signaling to the PWM on the fan header and selected either silent mode or performance mode. In silent mode, we only gain a half of a degree over the X42 at 60-degrees this time. In performance mode, we see a similar gain in performance over the smaller unit, but this time the Kraken X52 moves into the seventh slot overall at 55.75-degrees.


The same process is used to obtain these results, just that the CPU has been overclocked this time. Silent mode keeps us below 80-degrees with the Kraken X53, but performance mode is where the performance take off. At 71.25-degrees in this mode, the NZXT Kraken X52 takes the fifth slot in this chart.


If you want every last drop of performance possible, use manual of fixed modes to jack up the fan speed and the pump speed to full tilt. We could gain 3.75-degrees better results by doing so, but not only does the head unit move into the audible range, but the fans will make enough noise to keep you from doing this on a regular basis.

Noise Level Results


In silent mode, the fans were turning at just 473RPM, and we found the noise level to be low at just 24dB. In performance mode at this time, the fans were turning at 789RPM, and the noise level barely moves to 27dB.


Overclocking the processor does not make the fans change much at all, where silent mode had fans turning at 489RPM, and performance mode has them at 794RPM and is why the noise levels do not move much from the last test. The pump has increased speed, however, from 3448RPM to 4310 in silent mode, and 4205RPM to 4310RPM for these tests.


Letting the Kraken X52 do everything possible to obtain the lowest temperature, we now find the pump has maxed its speed at 5473RPM and becoming audible. We also had a serious amount of noise, 73dB coming from the fans, which were turning at 2128RPM.

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