The fan rotates at 3000 RPM and has a large air volume of 110CFM, can protect the machine from damage caused by overheating. The fan frame and fan blades are injection molded at one time, made of PBT+30% glass fiber + VO grade flame retardant. Ultra metal cavity + double ball bearing, with sufficient heat dissipation and wind pressure for extreme cooling or server use. DC12V standard voltage, 0.8A current, suitable for computer, server, mining machine heat dissipation. The cooling fan is small, lightweight, easy to install and easy to carry.