FrostyTech has put up a review on the Arkua 6158 Copper-Core Heatsink
If you haven't noticed it, the Arkua 6158 falls sharply towards the rear of our list of reference coolers as a direct result of the fan. Since we know for a fact that the actual heatsink body is identical to the 6258, you can see what a large impact fan power can have on a heatsink. Now this isn't always the case with each and every heatsink, but the volume of air moving through a heatsink has always been significant factor in how it performs overall.Read more