"Mini Air Cooling Fan" for CPU cooler for cooling fin area and the density of the row determines the cooling effect, of course, there are also inseparable from the fan. It is behind the fan and cooling fins row, so they need big fan pressure penetration, in order to better heat away. The rear of the front chassis panel "Mini Air Cooling Fan" was primarily responsible for providing the cold air inside the chassis. Most chassis panel consisting of at least one surf the web baffle design, and the fan behind the hard drive cage position. It requires a large pressure type "Mini Air Cooling Fan" can blow through the front of the chassis, which will inject a steady stream of cold air inside the chassis.