Specification:Color:BlackSize:90x90x25mmSpeed:2300rpm &amp;plusmn;10%Noise(dBA):19.0Voltage:12V DCAir flow(CFM):48Life(hour):50000Bearing System:SleevePower(W):2.76Material:PlasticWires\/Connector:2wires\/2x 4pinLength of wire:20-24cm<br>Features:Low noise.Improve air flow. Cool your CPU when they are used， make your PC more durable.Power saving design， low power consumption， easy to use.<br><br><br>Package Included:1x CPU Fan