VISTA series is a series of cooling fans from SilverStone that includes multiple selections of models designed to work exceptionally as either intake or exhaust case fans, heatsink / radiator fans, or just about any application that needs fan cooling. VISTA 120 features 4 pin PWM control function for regulating fan speed, hydraulic bearing for quiet operation, and pressure / airflow optimized fan blades capable of operating up to 2,000 RPM.