40mm to 60mm System & Case Fans

PC components emit a lot of waste heat, and whether you opt for an air-cooler, all-in-one hydrocooler or custom watercooling loop your case will need fans to keep everything cool.

This category contains a huge variety of 40mm and 60mm fans, these are typically used to cool individual components such as RAM and drive bays.

Keep an eye out for the airflow, normally measured in CFM (Cubic Feet per Minute) with a higher number indicating more airflow. It's also worth looking at the sound level, normally measured in dBA, with a lower number indicating less noise.