RAIJINTEK IRIS 14 RBW ADD series, 14025 O-Type ADD PWM fan, continues company's innovative design and providing advanced features & additional value to end users. With 8 port ADD LED hub and remote controller (for 2 & 3 pack), you can set your IRIS 14 RBW ADD fans to stun with fading, breathing, blinking and single color LED modes. The IRIS 14 series combines optimized Eleven fan blade design to provide high-volume air delivery with less noise and turbulence, O-type LED ring and 21pcs LEDs to brings visible color and brightness uniformity from all directions, Hydraulic Bearing with Low-Noise Design, and Anti-Vibration rubber pads on all corners. Standard with LEDs incorporated with transparent frame and blades, IRIS 14 series is not only insuring your case to be the center of attraction and a spot light to chassis, but its optimized fan blade and housing design also provide outstanding air flow and cooling performance for your PC's motherboard and CPU.