SilverStone created semi-modular enabled Essential Gold series power supplies to provide enthusiasts with affordable, but highly efficient choices when building PCs. ET550-HG, ET650-HG, and ET750-HG have 80 PLUS Gold efficiency with single +12V rail and the ability to provide 24/7 40 Degree Celsius continuous power output. In addition, they are equipped with 140mm silent fan and semi-modular, all-black flat cables for quiet operation and improved cable management respectively. Systems with high level graphics cards can be powered easily and efficiently by Essential Gold series PSUs' standard 8pin/6pin PCIe connectors, making them excellent choices for those seeking the best enthusiast value for the money.