Overclockers Cafe has posted a review on the Speeze 5E34B3 cooler.
One of the downfalls not only seems to be the compound applied between the copper baseplate and aluminum, but because of it being screwed down you have a pocket of air that forms in between the two plates. You can see a small gap between the plates, not great for dissipating heat. Making the two pieces of metal separate entities forces it to lose it´s consistency, not only from a cooling standpoint, but in the manufacturing process as well (probably the reason for the creme filling).Read more
