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Xilence Icebreaker 775

The last miniature cooling solution that we will discuss today is made by Xilence and has a promising “icebreaker” name. Well, let’s find out what kind of beast is it…

The cooler comes in a clear plastic blister packaging, which is just as small as the cooler itself:

Despite this fact, the cooler is pretty well protected against external damages. The cardboard insert with the model name on it lists the brief cooler specifications, mentions the PWM support and compatible CPU sockets – one. Xilence Icebreaker 775 comes bundled only with no-name gray thermal compound:

Oh, yes, there is also a plastic backplate attached to the cooler.

Xilence Icebreaker 775 measures 110x100x81 mm and weighs 419 g. it uses four copper heatpipes, 6 mm in diameter:


The heatpipes have 61 aluminum plates pressed to them. Each plate is 0.35 mm thick and the distance between them is about 1.4-1.5 mm. There is a frameless 92x92x32 mm fan installed in a plastic frame above the heatsink:


In fact, the fan is 25 mm tall, and the 32 mm height in the specs takes into account the plastic mounting spindles of the retention frame (for purely marketing reasons):

The heatpipes come out of one side of the cooler base that is why Icebreaker 775 will be way more compact than Thermaltake ISGC-100 discussed above:


The heatpipes lie in the grooves in the copper base plate and are soldered to them.

This is what the heatsink looks like without the fan:

You can even see traces of soldering on the top of the heatpipes in the base through the heatsink plates. The base surface is finished quite nicely, although there is no polishing to mirror shine here:

However, most importantly it is even over the entire surface area except the very edges that do not contact the LGA775 processors heat-spreader anyway.

The frameless cooler fan has no marking of any kind:

According to the specifications, it is PWM controlled, but there is no mention of the minimum speed and the maximum is claimed to be 2800 RPM. At this speed the fact creates 55.78 CFM airflow and should generate 19-22 dBA of noise. We don’t know how long the fluid dynamic bearing of the fan should last. Looks like the only distinguishing feature of this fan is the use of soft silicon mounting spindles that absorb the rotation vibrations from the frame and the blades.

Since Xilence Icebreaker 775 is designed only for LGA775 platforms the entire installation procedure consists of attaching the cooler to the backplate on the back of the mainboard PCB. However, I failed to accomplish it on my DFI LANPARTY DK X48-T2RS mainboard: I experienced the same exact problems as with Thermaltake ISGC-100:


The latter could at least be installed onto the AMD platform, but this didn’t work with Xilence Icebreaker 775, because it was only compatible with LGA775. Therefore, I had to work with Albatron NF 650i Ultra mainboard during the cooling efficiency tests, just like with Thermaltake ISGC-100.

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