Articles: Cooling

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There are 36 square holes stamped in each plate. The manufacturer claims that they not increase the airflow turbulence, but also reduce the plates resistance thus improving the heatsink efficiency with low-speed fans. They specifically stress the latter: thanks to the perforated plates you do not need high-speed fans. So, Thermalright SI-128 SE should become a great choice for those who need an efficient and quiet cooler.

Four 8-mm heatpipes lie in special grooves in the cooler base and are soldered to it:

I would like to remind you that the first modification of this cooler that we tested earlier didn’t have the heatpipes soldered to the base: they used some thermal glue (as we found out after the article was up). Different contact between the heatpipes and the cooler base is actually the second distinguishing feature of the SE model. However, I have to say here that the last shipments of the regular SI-128 may also have come with soldered heatpipes already.

The base finish quality of the Thermalright SI-128 SE is exactly the same as that of the Ultra-120 A we have just discussed above:

However, the evenness of the base surface is much poorer. It turned out a little dented, so the main contact with the processor heat-spreader will be right in the center:

Nevertheless, we didn’t level out or polish off the cooler base. I will explain a little later why. Moreover, as I have already said, we are going to have a special article discussing the issues with the evenness and finish quality of Thermalright coolers.

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