. AMD Socket FM2/FM1/AM3+/AM3/AM2+/AM2/AM4/940/939/754 INTEL Socket LGA1700/1200/115X/LGA775/LGA1366 TDP 135W Recommend (< 180W) Overall Dimension  125*125*83MM Fan Dimension  120*120*25MM Net Weight 640g Connector of Fan 4PIN PWM RGB of Fan 3PIN Aura header Rated Voltage  12VDC Operating Voltage  10.8～13.2VDC Starting Voltage  8V(ON/OFF) INPUT CURRENT 0.22A (MAX0.45A) Locked current 0.04Ａ Power Input 2.64W(Max 5.4W) FAN PWM Speed  800-1900RPM±10% MAX.Air Flow 21-58.8CFM Maximum Air Pressure 2.18mmH2O Noise  17.5-28.8dB(A) Bearing Type Dynamic Hydro Bearing INSULATION TYPE CLASS A Net Weight 640g https://www.gamemaxpc.com/productkkk/939-en.html