Computer Case Fan. This 120mm case fan supports PWM fan control allowing for dynamic speed adjustment up to 1800 RPM, providing efficient cooling to computer case, CPU, and be paired with radiator. 550mm long cable for freely installation and wide compatible for all kinds of case. Single fan RGB only compatible with 5v, 3-pin RGB motherboard header or controller RGB Case Fan. the Notos 120 DRGB Fan features digital RGB LEDs around the center shaft, providing stunning lighting effects. Optimized