Features: brand new and high quality Can be installed in CPU radiator, 120mm water cooling radiator, or used on the chassis. Double power supply interface, support 3pin and large 4 Pin interface. Large air volume design, 11 large sickle-shaped blades, stable air flow, low noise and large air volume. Suitable for a variety of application scenarios, such as installing on CPU air-cooled and water-cooled radiators that require a 12cm fan, or as a chassis fan. Support for DC 12V RGB Led light, double for aurora RGB solar eclipse led color changing silent cooling. Wire length approx 450mm, super long ans support back wiring. Specifications: Rated Voltage: for DC 12V Current: 0.25A Fan Speed: about 1200-1800RPM Noise Value: 23dBA Air Volume: 33.5CFM (MAX) Shaft Type: Hydraulic Bearing Interface: Big 4Pin + Small 3pin Life Expectancy: 30000H Product Size:approx 120 X 120 X 25mm/4.72 X 4.72 X 0.98" Wire Lenngth: appprox 450mm/17.7in Color: Red/ Green/ White/ Blue/Mixed Color/ Symphony （Optional） Package Includes: 1 x CPU Cooling Fan note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!