The copper heatsink is cooled by an 80x80mm fan that hangs on a plastic frame with its blades facing downwards:

According to the monitoring tools, the fan has a constant speed of 2550rpm (its specified speed is 2700rpm). It sounded rather noisy, making me doubtful about the specified level of noise (22dBA). My suspicions were later confirmed by the noise level tests.

The copper ribs are set 1.5mm apart from each other. The cooler’s base is about 7 millimeters thick.

Removing the fan, you can see that the pipes do not have contact with the heatsink’s copper ribs through all of their length:

This may have something to do with the production technology, but it is going to tell negatively on cooler performance.

An aluminum mounting frame is secured on the heatsink base:

Its design and size makes it clear that the DiamondCool is meant for LGA775 mainboards exclusively. I don’t know why the manufacturer didn’t make a mounting frame for K8 processors.

The base is not as high quality as the rest of the cooler:

The undulations on the cooler’s sole can be seen as well as felt with your fingers.

You have to take the mainboard out of the system case to install this cooler. This is in fact the single inconvenience in the installation procedure. The cooler is just screwed on to the back-plate and that’s all. The DiamondCool is small and will fit easily within the mainboard’s components.

Inside a system case, it looks like this:

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The DiamondCool comes at a recommended price of $25.