The Lian Li 296414 Fan 14tllcd1w1b is a high-quality computer case fan designed for optimal cooling performance. Featuring a Fluid Dynamic Bearing, this fan operates efficiently with a maximum fan speed of 1800 RPM and a maximum airflow volume of 103.9 CFM. The sleek black color and compact design make it a stylish and practical addition to any computer setup. With a 4-PIN PWM connector for power connection, this fan is compatible with DC12V & 5V systems, providing reliable and efficient cooling for your computer components.