Prolimatech MK-26 Multi-VGA Cooler

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The Prolimatech MK-26 is composed of a copper base, 6 x 6 mm thick copper heatpipes and 65 aluminum fins, all nickel-plated. By our measurements, its dimensions are 23.0 x 14.6 x 4.7 cm or 9.1 x 5.7 x 1.9 inches (L x W x H) and it weighs approximately 590 grams or 1.3 lb.

Like most high-end video card coolers, the MK-26 isn't symmetric, with disproportionately sized fin-stacks on each side of the base. It is a necessity to increase surface area as the GPU core on modern video cards is located relatively close to the rear panel.

The fins are approximately 0.54 mm thick placed at 2.00 mm intervals. They're more loosely packed than on most GPU heatsinks and it should perform very well with low airflow.

Solder is visible in the nooks and crannies between the base and where the heatpipes curl into them. There are 6 x 6 mm heatpipes.

Prolimatech has never been fastidious about getting a mirror shine on their heatsink bases and the MK-26 is no exception. The finish is slightly dull and fine machine marks are visible. To our surprise, like their CPU coolers, the base is slightly slightly convex, which seems somewhat dangerous when paired with a bare GPU die.

A closer look at the accessories.

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