"The Swiftech MCX4000 Heatsink with the Tip Magnetic Drive Fan is simply an unbelievable combo for fantastic cooling results. The heatsink itself has a huge copper base with 429 pins and a very quiet fan that spins 5800 RPM and pushes about 36.8 CFM of air. Achieving great cooling results at reasonable noise levels puts this cooler in a class of its own. Watch the Video to find out more..." ~3dGameMan.com