RAIJINTEK ANEMI 20cm Rainbow ADD RGB PWM fan, continues company's innovative design and providing advanced features the first 20cm fan contain outer ring LED + inner ring LED. With Full O-type LED ring 42pcs LEDs in total [32pcs LEDs (outer) + 10pcs LEDs (inner)] , ANEMI 20 RBW brings visible color and brightness uniformity from all directions. With Raijintek’s 8 port ADD LED hub and remote controller, you can set your ANEMI RBW ADD fans to stun with fading, breathing, blinking and single color LED modes. The ANEMI fan optimized eleven fan blade design to provide Ultra high-volume air delivery with less noise and turbulence, Hydraulic Bearing with Low-Noise Design, and Anti-Vibration rubber pads on all corners. ANEMI is not only insuring your case to be the center of attraction and a spot light to chassis, with optimized Ultra intake fan blade and housing design also provide outstanding air flow and cooling performance for your PC.