The GTX 670 Power Edition is based on the MSI Power Edition architecture which incorporates triple overvoltage, a strengthened PWM enabling an impressive 22.5% boost in overclocking potential compared to the reference design. The Twin Frozr IV thermal design keeps the card cool & MSIs exclusive Dust Removal technology ensures that the cooling module remains free of dust for optimal cooling performance. In addition, Propeller Blade technology offers 20% more air flow than conventional fans, effectively reducing temperatures by up to 20 °C & noise levels by 11.7 d B. The MSI GTX 670 Power Edition uses military class III components that give overclockers a level of quality & stability they can count on. The power, cooling, & other components of the MSI GTX 670 Power Edition incorporate more functions & technologies than the reference board, making it the choice of those looking for superior overclocking performance.