The Noctua NF-A14x25 G2 PWM is a high-performance quiet fan designed for computer cases. With a large 140mm fan diameter and a maximum fan speed of 1500 RPM, it provides efficient cooling while maintaining a low noise level. The fan features a 4-pin power connection for easy installation and operates at a voltage of 12V. Made of durable plastic material, this unit is compatible with universal brands and has a sleek black fan light color that adds a stylish touch to any computer setup.