Description:100% Brand New & High Quality.CPU cooling fan replacement. Parameters:Power connector:USBCable Length:1m / 39.37 inVoltage:5VLife:35000 HoursRated current:0.14ABearing Style:SleeveFan speed:4200±5%PRMFan Size:50x50x10MMNoise level:24dbA±10%Bearing: Oil BearingsNoise Level: 22 dBAWeight:30g Package Included:6pcs* 5010 5V DC USB Blower Fan