The Thermaltake ToughFan 12 High Static Pressure Radiator Fan is engineered for superior cooling performance with a maximum airflow of 436.5 gallons per minute and a fan speed of up to 2000 RPM. This single fan pack features a 4.72" diameter and is equipped with a hydraulic bearing for enhanced longevity and quiet operation. The fan's design incorporates high tensile strength materials, minimizing vibration and ensuring stable performance. Ideal for use with radiators, the ToughFan 12 balances performance and efficiency, making it a perfect choice for PC cooling solutions.