ITEM NAME:ZF-14025-ARGB PWM PC Case Fan Dual Ring Addressable RGB LED Cooling Fan Product Description Description: ZF-14025-ARGB PWM PC Case Fan 140mm Dual Ring Addressable RGB LED Cooling Fan for Computer Chassis Feature: 1600 RPM maximum speed and 79.54CFM maximum air volume. Sophisticated shock absorption measures/wider range of intelligent temperature control; no matter how high or low the speed is, no matter how much the number, you will only hear the sound of wind cutting. Motherboard 5V-digital signal-ground interface synchronous/or manual independent control, no matter what mode of RGB system is used, it can always light up the rainbow in your heart. Specification: Fan speed: 800-1,600 RPM Rated voltage: 12V DC Rated current: 0.22A Rated power: 2.64W Air volume: 79.54CFM Wind pressure: 1.81mmH2O Noise: 36.5dB(A) Connection interface: 4-Pin power supply + 3-Pin ARGB Product size: 140*140*25mm/5.51*5.51*0.98" Note: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. Included: 1 X PC Case Fan.Fan speed: 800-1,600 RPM. Included: 1 X PC Case Fan. Noise: 36.5dB(A). The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. If item is defective after 3 months, you can still send it back to us.