The Noctua Nf-A4X10 5V is a premium quiet fan designed for desktop computers. With a maximum rotational speed of 4500 RPM and a noise level of 17.9 dB, it provides efficient cooling while minimizing noise pollution. The fan features a 3-pin power connector and is made of fibre-glass reinforced PBT material, ensuring durability and reliability. With its brown color and compact dimensions of 1.57 x 1.57 x 0.39 inches, this fan is a sleek and effective addition to any computer cooling system.