The Aspect 14 PWM Black by Fractal Design is a high-performance case fan designed to deliver optimal airflow and quiet operation for PC enthusiasts. With its 140mm size, the fan features Pulse Width Modulation (PWM) control, allowing dynamic speed adjustment between 500 and 1700 RPM for precise cooling tailored to your system?s needs. The aerodynamic stator struts minimize turbulence while rifle bearings ensure long-lasting reliability and low noise levels?maxing out at just 34.1 dBA. Its sleek black design complements modern builds, making it ideal for both gaming rigs and professional workstations. Fractal Design is renowned for innovative engineering with a strong commitment to sustainability; their packaging uses recycled materials, and they strive to reduce environmental impact throughout production processes. By choosing this product, customers support eco-friendly practices in the tech industry while enjoying superior cooling performance.