NZXT AER F140 140mm Case FanThe Aer F performance fan is meant to maximise airflow through your build. Engineered to maneuver air efficiently, it features a chamfered intake and exhaust for top volume airflow, and winglet-designed blades to scale back drag. The Aer F uses fluid dynamic bearing to supply silent operations, long-lasting durability, and powerful cooling performance with color customization. Optimized for high-performance airflow. PWM fan with optimized cooling and whisper-soft 22 dBA. Winglet designed fan blades and chamfered intake and exhaust. Fluid dynamic bearing engineered to last over six years. Sleeved cables and vibration dampeners. Changeable color trim available in blue, red, and white (sold separately)...