Articles: Cooling

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Top-performance graphics cards have come to produce so much heat that developers of their reference cooling systems often fail to find an optimal compromise between cooling performance and noise. A very good example is the Nvidia GeForce GTX 480 card with its native cooler. The cooling system of the dual-processor ATI Radeon HD 5970 has the same problems, being only quiet in 2D applications but loud and not very effective in 3D ones. Moreover, it is designed in such a way that the air flow cools one GPU first and then, having heated up, moves to the other GPU, the difference between the temperatures of the two graphics cores amounting to 10° and more as the consequence. The problem of cooling is less urgent for an ordinary user who runs his graphics card at its default frequencies but this difference in temperatures may prevent an overclocker from accelerating his dual-processor HD 5970. The Switzerland-based Arctic Cooling has addressed the issue by releasing a new cooler called Accelero XTREME 5970. Let’s take a look at it.

Packaging and Accessories

The cooler comes in a blister pack, a cardboard insert showing its specs, performance comparison diagrams and other information.


Particularly, the manufacturer claims that the Accelero XTREME 5970 is 40°C better than the reference cooler in terms of performance and 7 times better in terms of noisiness even if the reference cooler’s fan rotates at 2000 RPM. That’s impressive, but is this claim really true? We’ll check this out soon.

The following accessories are included with the cooler: a heatsink for power circuit components, a back-panel bracket, a set of thermal pads and an installation guide.

There are no screws and no thermal grease in the box. We will explain why shortly. The recommended price of the Arctic Cooling Accelero XTREME 5970 is rather high at $76.95 but the manufacturer offers a 6-year product warranty.

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