Spire VertiCool II & DiamondCool II
 

As I noted before, the DiamondCool is constructed primarily of copper. It has 55 micro (0.40mm) fins soldered to a very thick base (8.5mm). It uses four copper heat pipes to help draw the heat away from the base and transfer it to the copper fins above. In theory this should work very well, but the proof is in the testing