Lepa MaxGold 80PLUS Gold 500W ATX Modular Power Supply (G500-MB) Surpassing 80 PLUS Gold level Hybrid Modular Cabling Design makes system upgrade and replacement easy 12cm hydraulic bearing cooling fan delivers silent and cool performance Anti3s Q-Brick design protects power supply from shock, static electricity, and slip Compliance with EU ErP Lot 6 2010 standards. (lower than 1W power consumption at standby mode) Double Forward circuit design provides high efficiency. Dual Sided PCB design synergizes PCB layout. Powerful single +12V rail output offers great compatibility with heavy-duty graphics cards