PC Fan - size: 120 × 25mm, 400 RPM - 2400 RPM, maximum noise level of up to 37 dB, 4pin PWM This Corsair ML120 PWM ML, 120mm exemplifies a very powerful computer fan that is ready to improve the air cooling system in your computer. This computer fan will please those who do not want to be disturbed by coloured radiation from the PC in the night hours, since this model is without backlighting. Another advantage is the the lower cost of the fan. This 120 mm fan size makes it simple to install in all standard PC cases. You'll find 1 fan in this package. Corsair ML120 PWM ML, 120mm PC Fan Key Features The airflow of 75 CFM is sufficient for reducing the temperature in your PC Unique and striking design This durable computer fan has special bearings for smoother air flow The Corsair PC Fan Is Suitable for Any PC Case In order to safely connect the Corsair ML120 PWM ML, 120mm, you'll need a 4pin PWM connector.