Everflow 120X120x25mm 12 Volt 9 Blade PWM Fan R121225BU-AF

Everflow 120X120x25mm 12 Volt 9 Blade PWM Fan R121225BU-AF 840556001829 FEATURES:Housing Plastic (UL: 94V-0) Impeller Plastic (UL: 94V-0) Protection: Current limit/ Impedance Operating Temp: -10-70C PRODUCT SPECIFICATIONS:Fan size: 120x120x25mm Fan voltage: 12VBearing: Dual Ball bearing Fan speed: 700 - 2400 rpmNoise Level: 19.5~39.5 dBAAir Flow: 31.06 - 110.03 CFMPower: 0.48~ 4.8 WStatic Pressure: 0.31-3.26 mmH2OFan connector: 4-pinLead wire: UL1430 NOTE: PWM Fans are not variable speed control fans on their own.  An integrated circuit varies the speed and airflow of a fan using a pulse-width-modulated (PWM) voltage in response to temperature or system commands send typically by a computer motherboard. You can use them to run at full speed from an external supply if you adapt the plug. (PWM Adapter Cables)