The Noctua Nf-A4X10 FLX is a premium quiet fan designed for desktop computers. With a size of 40x10mm and a brown colour, this fan boasts a high air flow capacity of 60.1 CFM and a noise level of 17.9 dB. Made of fibre-glass reinforced PBT material, this 12V fan has a 3-pin power connector and operates at a maximum rotational speed of 4500 RPM. Ideal for cooling systems, this Noctua fan is a reliable choice for maintaining optimal computer performance.