This Lepa G650-MAS power supply is a 80plus gold certified power supply that comes with 92% efficiency and meets EU ErP Lot 6 (2013) standards. DC-to-DC converter and Double Forward circuit design provides high efficiency 5VSb circuit to ensures system stability and solid state capacitors and all Japanese-made capacitors provide great reliability. 140mm two-ball bearing cooling fan with thermal programmed speed controller delivers silent, cool operation.