This 660W Platinum series Power Supply features Seasonic's Patented DC Connector Panel with Integrated Voltage Regulation Modules. The Fully Modular Design minimizes voltage drops and impedance and greatly maximizes efficiency and cooling to enhance overall performance and reliability. The industry first, advanced three-phased thermal control balances between silence and cooling. The Hybrid Silent Fan Control provides three operational stages: Fanless, Silent, and Cooling Mode. In addition, there is a switch provided to allow for manual selection between the Seasonic S2FC (fan control without Fanless Mode) and the S3FC (fan control including Fanless Mode).(Patent #: TW410250, CN808637, CN1980304. Patent Pending: US, JP). The Platinum Series is certified in accordance to the 80PLUS highest standards and offers the newest technology and innovation for performance and energy savings with up to 92% efficiency and a true power factor of greater than 0.9PF.