COMPCON C9225M12S 12V DC Axial Brushless Cooling Fan is having high efficiency, with maximum inlet capacity. The fan is totally maintenance free. The compact and rugged construction made this fan very durable. With 7 blades inside the hood, the fan is operated with a powerful brushless dc motor but the noise of the fan is very low. The fan can be used in different applications, such as cooling the CPU or it can be used in DIY projects where components may get hot under the workload.