source : http://www.sparkle.com.tw/News/SPGTS450 ... ot_en.htmlOne Slot Cooling Solution
One of the World's first GeForce GTS 450 graphics cards with one-slot cooling design with 2 heatpipes with copper fins, meeting the mainstream users' requirement for compact design. It use the premium 7010 centrifugal fan design featuring greater air volume to take the heat away and lower the temperature rapidly. The cooling fan has the speed modulation mechanism, so that the working noise will not be maintained at the full speed level, and this mechanism can increase the fan's life.
let's just hope the 7010 fan doesn't represent the fan speed...