The ARCTIC F PWM fans outerperform other 80mm/92mm/120mm fans in the market. The patented PWM Sharing Technology (PST) regulates the speed up to 5 fans via BIOS. With efficient central cooling, the ARCTIC F PWM fans offer excellent cooling and noise control performance for the system. • Patented PWM Sharing Technology (PST) • Extremely quiet • High air flow and static pressure • Low noise impeller • Fluid dynamic bearing extends service life