| Cooler for CPU of desktop PCs Cylindrical Heat Sink structure with Sirocco fan Rapid cooling due to higher flow pressure and more volume flow than the products using axial flow fan Effective radiation of heat by natural emission of flow of sirocco fan through adaptive heat sink structure Lower noise sirocco fans with small and lots of wings than the same size axial flow fans Various design of coolers satisties users taste Automatic motor RPM control according to the temperature of CPU | 
