Fractal Design Prisma Silent Computer Fan - PWM Control

"The Venturi high flow Series fans, hf-12, are optimized for low-restriction airflow environments, making them an excellent choice for computer case fans, or other low-restriction usage scenarios.The Venturi high flow Series fans are ideal for those looking for a perfect balance between high Performance and low noise built from sturdy, high-quality materials.The trip Wire technology introduces a micro-turbulent layer that combats elements that negatively affect performance, resulting in quieter operation.3 years warranty is Active from the point of purchase.Integrated vibration-dampening corners, Made from solid high-quality synthetic rubber
counter-balanced magnet reduces axial tension on the bearing"