The Thermaltake Pure 14 ARGB Sync Radiator Fan TT Premium Edition comes in a convenient 3 - fan pack, each with a maximum diameter of 5.51 inches. These fans deliver an impressive maximum airflow of 526 gallons per minute at a speed of 1400 RPM, ensuring optimal cooling for your system. The hydraulic bearing design ensures low noise operation, while the 9 addressable RGB LEDs provide stunning lighting effects that can be synchronized with compatible motherboards. With a lifespan of 4.6 years, these fans are built to last, making them an excellent choice for cases, motherboards, and radiators alike.