Thermalright TR-FDB-12-2000 120mm Fan Black Retail Japanese imported Fluid Dynamic Bearing Technology to reduced noise and vibration. Work best with Thermalrights heatsinks for that perfect balance of performance and silence. 60,000 hours under normal room temperature. Longer life expectancy than other leading brands. High rate of Air Flow even under low RPM 7V of power usage; can be adjusted via fan control device All Thermalright FDB fans are under 3 year warranty