Model:TFC1212DESize:120 * 120 * 38mmVoltage : 12V Current:3.9A Power : 46.8WSpeed:6800RPMNoise : 65DBAAir volume :190CFMBearing : Dual ball bearingOrigin: TaiwanMaintain the best Continuous operation time: 10,0000 hoursFan connector: 4 pin connectorFeature: Maintenance- double ball bearing , long life, With sufficient cooling air volume and pressure .