Streamlined Fan Connections: Daisy-chain multiple fans together and control them all through just a single 4-pin PWM connector Precise PWM Speeds: Set your fan speeds up to 2,100 RPM while providing up to 72.8 CFM airflow to your system CORSAIR AirGuide Technology: Anti-vortex vanes direct airflow at your hottest components for concentrated cooling, pushing air in the direction you need when mounted to a radiator or heatsink High Static Pressure: RS fans work well as radiator fans with a static pressure of 4.15mm-H2O to push through obstructions Quiet Operation with Magnetic Dome Bearing: CORSAIR's Magnetic Dome bearing minimizes noise and reduces friction for greater longevity Quiet Operation with Magnetic Dome Bearing: CORSAIR's Magnetic Dome bearing is a refinement of the renowned magnetic levitation bearing, minimizing noise and reducing friction for greater longevity Zero RPM Mode: Supports Zero RPM PWM signals to completely eliminate fan noise at low loads