Articles: Cooling

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The market of processor air-coolers continues to grow. It may seem that everything possible and impossible has already been invented and there is hardly anything else that could be improved any further. But this is not quite true. We have 11 new processor coolers of completely different designs, sizes and price points, which we are going to introduce to you one by one on our site very shortly. So, it looks like we are in for some really exciting things.

We are going to start with two new cooling solutions from Zalman and Thermalright:

Even before we go into details I would like to say that these two products are very different. In fact, the only similarity between them is the price. Nevertheless, we attempted to compare them side by side, and I believe it turned out very successful.

Closer look at Zalman CNPS7X LED

Zalman CNPS7X LED is made in South Korea. It comes in a large bright-colored box with a large number “7” on the front and detailed information about the cooler on the sides of the package:


Among the accessories bundled with the cooler there are two plastic brackets with two sets of mounts for them, a cable with a resistor, Zalman ZM-STG2M thermal paste (8 W/m*K), a Zalman logo sticker and an installation guide in several different languages.

First of all I have to say that Zalman CNPS7X LED is a compact and light-weight cooler. It is 127 mm long and 90 mm wide, and no taller than 135 mm. It weighs only 360 grams. This is what it looks like:



At first glance it strikes us as very similar to another Zalman product - CNPS11X Extreme:


True, Zalman CNPS7X LED uses a similar heatsink that consists of two arrays positioned at a 90-degree angle to one another and contacting one another along one of the sides:

Each heatsink array consists of 57 aluminum plates, each 0.3 mm thick, that are pressed against the heatpipes at a 1.5 mm distance from one another. There are only three 6 mm heatpipes, but, according to Zalman, each of them works 1.5 times better than a regular heatpipe because the heatpipes in Zalman CNPS7X LED are composite ones. Moreover, this is the first cooler from the Korean manufacturer that uses heat-pipe direct touch technology:


In Zalman’s interpretation it is called “Direct Touch Heatpipe” (DTH), but doesn’t differ really from the similar technologies by other manufacturers.

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