The PH-F120XP, 120mm Premium fans with PWM function from Phanteks is designed with the unique Maelstrom concept technology. They are specifically designed to overcome high static pressure, blade deflection, and noise challenges. The fans have PWM built-in, creating less cables which allows users to make speed adjustments from 500-1500RPM. The UFB Bearing composed by MOSS and SSC Systems creates a longer lifespan and adds stability to the fans. Performance and durability are now possible and a standard with the new PH-F120XP.