Coolers for Pentium 4 `2002 Q3
Standard Intel cooler (Intel BOX)
Although the cooler comes in a package with Pentium4 processors, it is not an Intel product. All the boxed coolers are manufactured by the OEM agreement between external companies.
The user doesn't have to care about that, since it is just coolers supplied with the Intel processor in the same boxhave always been of superb quality.
No exception was this time - the cooler manufactured by Sanyo made a very good showing.
The cooler is very easy and fast to install. It suffices to snap shut the fastening frame at the limiting frame of the motherboard and turn the levers smoothly (shown with white color on the photo).
The cooler is not that easy to remove, though - you've got to use a wide-bladed screwdriver.
If you look at it from the side, you can see that the cooler base is thicker in the center. On the base there are over twenty fins of varying height.
A plastic frame with the fan is installed on the base. Unlike other coolers, it is fastened to the radiator without any bolts or screws (like it used to be in the ancient times when they built without nails - here no screws are used :). This fastener turned out to be very strong and reliable - no slightest signs of vibration. The fan was really attractive - first, it changes the rotational speed with temperature. You can't see the thermal sensor - it is well hidden inside. All this has resulted in very low noise levels - in my opinion, it is the quietest cooler among the reviewed.
The contact of radiator with the processor is designed in a tricky way. First, there is a thin foil layer on the radiator and its area is slightly greater than the processor area (the foil is easily seen on the photo). Secondly, a layer of thermal interface is applied on the foil (shown in black - not visible in the photo). After second or third removal of the cooler the thermal interface layer destroyed and I cleaned it off. This thermal conducting material is not bad at all in quality, with the temperature difference compared to the KPT8 paste was 2-3 C in favor of the latter.
Finishing the description I say that I have seen boxed coolers of different radiator shape. They were also made by Sanyo and I think the test results would be the same.
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