https://wccftech.com/lian-li-announces-the-uni-fan-sl140-case-fan/

Lian Li has announced a new version of its UNI FAN SL120 case fan, and this new variant features a larger fan size of 140 mm. This larger variant has UNI FAN SL140; this new fan offers a wide array of RGB lighting and uses Lian Li's L-Connect software. This larger case fan features a slightly slower fan speed when compared to the SL120 case fan.

Lian Li has announced a larger version of the UNI FAN SL120 case fan, increasing the size from 120 mm to 140 mm. This increase in size does have the UNI FAN SL140 having a lower fan speed. The UNI FAN SL140 features an RPM range from 500 RPM up to 1,500 RPM, while the SL120 fans featured 800 RPM up to 1,900 RPM. When pairing the slower RPM speed with the larger fan blades, allow for higher air pressure and higher airflow. This fan utilizes rubber pads to reduce the vibrations while ensuring extremely low noise levels.