Condition: 100% Brand New_x000D_ Item Type: Computer Cooling Fan_x000D_ Material: ABS_x000D_ Optional Color: White, Black_x000D_ Fan Size: Approx. 120 x 120 x 25mm/4.7 x 4.7 x 1in_x000D_ Fan Speed: 600-2400RPM_x000D_ Working Voltage: 12V DC_x000D_ Interface: 4-pin PWM Header_x000D_ Bearing: Fluid Dynamiic Bearing_x000D_ Service Life: 100000 Hours_x000D_ Maximum Air Volume: 55-78CFM_x000D_ Maximum Noise: 18-32dBA1Simple to install and release, no need of complicated operations. 2Features the advantages of ultra quiet, high speed, large wind. 3Adopt high density material, low carbon and environmental protective. 4Exquisite metal mesh provides stronger cooling capacity, practical to use. 5Ultra silent, low noise, provides you with a comfortable using environment. 6Unique quiet square fan designed for easy thermal heat dissipation, high efficiency. 1 x Cooling Fan 1 x Screw Pack