RAIJINTEK IRIS 12 series, 12025 O-Type LED PWM fan, continues company\'s innovative design and providing advanced features & additional value to end users. The IRIS 12 series combines optimized Eleven fan blade design to provide high-volume air delivery with less noise and turbulence, O-type LED ring and 15pcs 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 12 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.Features:- O-type LED brings visible color & brightness uniformity from all direction- Anti-vibration rubber pads on all corners to minimize movement and noise- Optimized Eleven fan blade design to provide high-volume air flow- Specific housing design to provide max. static pressure- PWM function to provide best efficiency for CPU cooling- 15pcs LEDs to provide vivid Illumination- Quite performance, less turbulence and reliable operation- Easy installationSpecification:- Dimension [WHD]: 12012025 mm- Voltage Rating: 12V- Starting Voltage: 5V- Speed: 8001800 R.P.M.- Bearing Type: Hydraulic Bearing- Air Flow: 42.17 CFM [Max.]- Air Pressure: 1.7 mmH2O [Max.]- Life Expectance: 40,000 hrs- Noise Level: 26.5 dBA [Max.]- Connector: PWM 4 pin- Weight: 190g