Thermalright are renowned for their quality performance heatsinks throughout the enthusiast and overclocking community. Their latest offering for the aging but popular Socket A market, is the SI-97. In Thermalright terms, this is a different kind of heatsink. By abandoning the bolt-through retention mechanism in such a large heatsink, they have limited the use of this heatsink, creating a different market all together: the audiophobic enthusiast market. Today we'll see just how well it performs, in a range of different situations.