Yeston ZEAGINAL 12cm PC Case Cooling Fan Hydraulic 4Pin PWM 1800RPM CPU Cooler ARGB LED Cooler Computer Case Heatsink Radiator  Specification: Speed: PWM 9001800RPM10% Noise: 30dBA Air volume: 59.4CFM Wind pressure: 1.75mmH2O Bearing: Hydraulic Voltage: DC 12V (Fan)/DC5V (LED) Plug: 4Pin Product size: 120*120*25mm/4.7*4.7*0.98in Product weight: 140g Packing size: 140*120*30mm/5.5*4.7*1.2in Package weight: 188g Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 X Cooling Fan  1 X Manual