MasterWatt 750 Semi-Fanless Power Supply (MPX-7501-AMAAB-US)Semi Fanless up till 15% load Experience noise free operation in normal PC loads under 15% output. Dual Forward and DC to DC circuit design The Dual Forward and DC to DC circuit design offers reliability and stability especially significant in +3. 3V and +5V output. 5 years warranty The MasterWatt comes with a 5 year warranty. More Conductive PCI e Cables The MasterWatt uses 16AWG cables for PCI e cables. Less resistance means better efficiency. 80