Articles: Cooling

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The Swiss Arctic Company, previously known to everybody as Arctic Cooling, is bent on developing low-noise cooling systems. And while they haven’t yet been very successful with CPU coolers, Arctic's air-based coolers for GPUs have no rivals. The well-known Accelero Xtreme series, revised and improved in various ways on a regular basis, boasts an unmatched combination of performance and quietness, being far superior to any competitor product.

Besides everything else, Arctic offers special solutions targeted at users who build silent computers. We mean the new Accelero S1 PLUS, which has come to replace the older S1, and the recently released turbo module for that heatsink. These are the products we are going to discuss in this review.

Closer Look at Arctic Accelero S1 PLUS and Turbo Module

Arctic Accelero S1 PLUS

Following Arctic’s well-established packaging tradition, the Accelero S1 PLUS comes in a transparent blister wrap with a paper insert.


The packaging lets you examine the heatsink and learn its specs without opening the wrap, but it's not very secure. The plastic cracks easily as was the case with our sample. The cooler’s heatsink and components weren‘t damaged, but anyway.

The compact package includes everything necessary: a back-panel bracket with vents, sets of aluminum heatsinks for memory chips and power components, thermal glue with a plastic spatula for mixing and applying it, a set of screws with plastic bushings, and a user manual.

The Arctic S1 PLUS heatsink has the same design as the older S1 model and consists of aluminum fins on four copper heat pipes, 6 millimeters in diameter.


The heatsink measures 230x135x42 millimeters and has a mass of 410 grams. The 32 fins, 0.4 millimeters thick and 3 millimeters apart from each other, are press-fitted onto the heat pipes. The large gaps between the fins are explained by the fact that the S1 PLUS is a fanless cooler in the first place and is supposed to be cooled by the natural air flows inside the system case. Therefore, the fins have to be wider apart than in ordinary air coolers.

The heatsink is fringed with a plastic frame that sports the manufacturer’s and product’s names.

The heat pipes lie in grooves in the cooler's copper base and are soldered to the latter.


There is already a layer (a rather too thick layer, to our taste) of highly efficient Arctic MX-4 thermal grease on the cooler’s contact spot.

They should have instead included a 0.5-gram syringe with that grease into the box because AMD’s Cape Verde and Pitcairn GPUs need but a drop of it.

As for the top-end Tahiti and all Nvidia GPUs with heat-spreaders, the Arctic Accelero S1 PLUS is just not compatible with them. The cooler’s recommended price is $49.95. The warranty period is 6 years. Well, what could possibly break in this product unless with the user's help?

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