Performance

Testing methodology:
For idle temperatures the PC is run at idle for three hours and temperature is measured using RealTemp 3.4. For load temperatures Prime95 is run using the "In-place large FFTs" test for three hours then temperature is measured again with RealTemp. Ambient temperature was kept to 20°C (+/- 1°C) and was measured by a standard mercury thermometer.

The system being used to test the heatsink is as follows:

Fan Noise

In my testing, the V6GT was ran about a week on my everyday machine cooling a Core i5 750 running 2.8 GHz. Typical tasks consist of Photoshop, browsing the net with FireFox, e-Mail and occasionally some YouTube videos. Nothing too CPU intensive, yet the noise level of the fans was quite noticeable. Even with PWM Control and Cooler Master's DynaLoop bearing design fans noise levels were a bit higher than expected. If you have a good solid case with sound dampening material inside you probably won't notice it much but for die hard silence seekers this cooler may not be a good choice.