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Cooler Master MASTERAIR PRO 4 CPU Cooler Review

By: Chad Sebring | CPU Air Coolers in Cases, Cooling & PSU | Posted: Nov 1, 2016 12:40 am
TweakTown Rating: 97%Manufacturer: Cooler Master

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




With the CPU set at stock settings, the 57.75-degree result here is respectable. Considering it is less than two degrees behind the Thermaltake cooler with two fans, and less than four degrees away from an AIO with two fans, we are impressed with what the MASTERAIR PRO 4 can do so far.




Nearly ten degrees cooler than the MASTERAIR PRO 3 in this test, and comparing to the other coolers as well, the 73.75-degree result here is decent as well. The gap has widened slightly between it and the Thermaltake and Corsair coolers, but that gap did not increase much.




Allowing the fan to do all it can be when it comes to removing heat from this tower, we see that it is an accomplished design yet again. Nearly even with the NiC C5 cooler, and less than three degrees from the lead - not too shabby.



Noise Level Results




The PWM circuit is in control for this test, and at this time, the highest fan speed we saw was 1200 RPM. Grabbing the meter and holding it a foot away, we found the noise level was at 24 dB, which is quiet.




Just tiptoeing into the audible range, again with PWM signaling in control, we found the fan spinning at 1769 RPM for this round of testing. While it may not be Noctua quiet with this result, it is far better than where the Thermaltake and Performance mode of the Corsair left us.




In this test, we allow the fans to run at their maximum speed and velocity. The noise level jumps quite a bit to 59 dB here, but the fan was spinning at 2523 RPM and is over the specifications and their margin of error. There is no way to hide the fact, that, at this point, the fan is quite loud.

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