If you need to move lots of air the Rosewill RFX120 is the way to go. With 43.5 to 87.5CFM at 1200-2200RPM controlled by a rear panel mounted controller it will move as much air as you need it to. Its 2 ball bearing motor gives it the durability to keep your computer cool for a long time to come.
High PerformanceOperating at 1200~2000 RPM, this 120mm fan delivers an air flow of up to 87.5 CFM for near peerless heat dissipation!
Adjustable Fan SpeedA bundled fan speed controller enables control of noise and fan speed for exceptional cooling and quietness.