Antec KÜHLER H₂O 620 all included liquid cpu cooler.

Performance:

It looks really good but how does it perform?

To find the answer to that question I set the system up with the  CoolIT Eco cooler, AMD stock cooler ( similar design to Intel’s ) and the Antec Kuhler 620.

Setup and installation

For all 3 coolers I followed the included instructions to insure closest performance to what the manufacturer designed. For the Antec Kuhler, while the instructions were not super detailed they provided enough information and pictures to insure a simple installation of the Antec Kuhler.  Antec/Asetek went with a twist on screw down design, this design ensures proper spreading of the thermal grease when installing the cooler as well as ensuring proper installation.

Stock temps 3.5GHz

As you can see by the above image the Antec Kuhler 620 does a great job of keeping the CPU cool at stock temperature. It beats the competition by about 3-4 degrees at idle and under load it maintains a healthy temperature keeping the CPU cool and under 50c or about 125F. The room that the tests were run in was rather hot at about 90F, I am quite happy with the overall temperature of the system when you factor in all the variables.

Overclocked to 4.2Ghz

I am happy to say that the Antec Kuhler held out even under an overclock of 4.2GHz still holding a decent temperature well under the thermal limits of the CPU and a bit better than the competition. The stock cooler was dangerously high and when it hit that temperature I shut the system down, due to the stock cooler not finishing the prime 95 jobs the temperature is likely higher on the stock cooler.

Related

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