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Phononic HEX 2.0 Thermoelectric CPU Cooler Review

By: Chad Sebring | CPU Air Coolers in Cases, Cooling & PSU | Posted: Jul 8, 2016 5:20 pm
TweakTown Rating: 91%Manufacturer: Phononic

Chad's CPU Cooler Test System Specifications

 

 

I would like to thank ASUS, InWin, Patriot, and Fractal Design for supplying products for me to test with.

 

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 for more information.

 

 

Thermal Results

 

phononic-hex-2-thermoelectric-cpu-cooler-review_33

 

Making sure to test all three modes, we set the HEX 2.0 cooler loose on our 4770K processor at stock load levels. In the High Ambient mode, temperatures were not great, but reasonable at 55.75 degrees. Standard Mode sends the HEX 2.0 higher up the chart with a 53-degree result, and in Insane Mode, the 50.75-degree result is very respectable.

 

phononic-hex-2-thermoelectric-cpu-cooler-review_34

 

 

With the power upped under the HEX 2.0, it seemed to have our chips heat well under control. High Ambient Mode offers not great results at 77.5, but the Standard mode brings us performance very close to the much larger Voltair. However, when we let the beast run in Insane Mode, the HEX 2.0 moves into the realm of the H100i GTX in quiet mode, and just behind the Liqtech 240. While this is not a chart-topping cooler, the results here speak volumes for a cooler as compact as the HEX 2.0 is.

 

 

Noise Level Results

 

phononic-hex-2-thermoelectric-cpu-cooler-review_35

 

Sidestepping the onboard connections and wiring, we plugged the Sans Ace into our fan controller to gauge the fan in respect to all of the rest of the coolers in this chart. With 7.5 volts going to the 92mm fan, we saw speeds of 1200 RPM, and the noise level inside of the cooler and under the shroud is limited to just 23 dB.

 

phononic-hex-2-thermoelectric-cpu-cooler-review_36

 

With the fan receiving full power, we saw speeds of 2600 RPM and the noise level rose to 43 dB. This is not the most silent cooler in our charts, but this is worst case scenario too. When testing the modes, using the fan on the PWM circuit, it rarely had the need to reach full power all of the time.

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