The Phanteks F120XP is a 120mm premium fan with PWM functionality that's designed with the unique Maelstrom concept technology. Featuring an Updraft Floating Balance (UFB) Bearing, 9 fan blades with Maelstrom Vortex Booster, 500-1500 RPM, 23.0-61.6 CFM, 21-27dbA and 0.39-1.72mm H2O static pressure. Backed by a 5 year Phanteks warranty.