Lepa G650-MAS 650W 80plus Gold Certified ATX 12V Modular Single Rail 54A Power Supply 80 Plus Gold certified to deliver up to 92% efficiency. DC-to-DC converter design ensures system stability Double Forward circuit design provides high efficiency, High efficiency 5VSb circuit helps system meet EU ErP Lot 6 (2013) standards Solid state capacitors and all Japanese-made capacitors provide great reliability. Hybrid modular cabling design with decent flat cables makes system upgrade and replacement easy 140mm two-ball bearing cooling fan with thermal programmed speed controller delivers silent, cool operation Powerful single +12V rail output offers great compatibility with heavy-duty graphics cards. Output +3.3V@20A, +5V@20A, +12V@54A, -12V@0.8A, +5VSB@3A ATX12V version 2.3 and EPS12V version 2.92 compliant. Universal AC Input from 100V - 240V (Full Range) Over Power, Over Voltage, Over Temperature, Short-circuit, Brown-out protection provide great safety to your system