Viper's Lair has posted a review on the Swiftech MCX4000 cooler
Since copper can absorb heat fairly quickly, it was no surprise that the MCX4000 allowed us to POST at the highest levels we were able to acheive with our CPU/Motherboard combo. The previous high was 161FSB, but with the MCX4000, we managed a 165FSB POST. The system eventually hung at the POST screen, but we were able to boot into Windows and run benchmarks at 158FSB. Temperatures after 20 minutes of testing was about 59C.Read more
