18MM thickness can bring up to 86.9CFM of air volume, bringing excellent ventilation and cooling effects to the chassis and radiator ^^ 18MM thickness can bring up to 86.9CFM of air volume, bringing excellent ventilation and cooling effects to the chassis and radiator ^^ With FDB bearings, the service life is longer and can bring higher speed, maximum 3300RPM ^^ Integrated fan blade design, with seven blades connected together to ensure better dynamic balance ^^ Includes two specifications of screws, which can be used for liquid cooler screws or Case