SilverStone created the Essential Gold series power supplies to provide enthusiasts with affordable, but highly efficient choices when building PCs. ET550-G, ET650-G, and ET750-G have 80 PLUS Gold efficiency with single +12V rail and the ability to provide 24/7 40ƒcontinuous power output. In addition, they are equipped with 120mm silent fan and all-black flat cables for quiet operation and easier cable management respectively. Even high-end systems with high level graphics cards can be powered easily and efficiently by Essential Gold series PSUs™ standard 8pin / 6pin PCIe connectors, making them the leading choice for those seeking high efficiency and good performance for their money.