Features: brand new and high quality brand new and high quality Tourist circular streamer design, transparent interior and exterior, atmospheric luxurious shadow effect. Highlight the LED lights, dynamic three-dimensional effect, light up the passion of the computer. Guide fan blade design, low noise. Long-lasting hydraulic bearings, quiet work, durable. Lower speed control system. 4 big pins, 3 small pins dual mode interface. Standard 12cm fan design size, good cooling effect without loss of atmosphere. Low noise, low noise: 21DB. Specifications: Material: ABS Colour: Multicolored, green, ice blue, purple, red, rainbow, white(optional) Fan speed: 1200RPM 10% Rated voltage: for DC 12V Air Volume: 37.5CFM Bearing form: HB hydraulic bearing Noise range: 21dB (A) Lifespan: 40000 hours Connection interface: big 4-pin + small 3-pin power supply Fan size: approx. 120x120x25mm / 4.72x4.72x0.98in Application: temperature control is suitable for chassis fan Note: 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! Package includes: 1 X CPU cooler