- These CORSAIR 140 mm fans is perfect for high-end setups, thanks to its 1700 rpm speed - It's PWM controlled so it'll adjust the speed based on the temperature of your hardware - AirGuide technology creates a concentrated airflow that's easy to direct at the hottest components - The super-quiet magnetic dome bearing ­keeps the friction and noise to a minimum - It's fibre-reinforced frame make sure it's strong and durable - The included iCUE LINK cable lets you connect multiple fans together