Power your system with this 520W Platinum Series Fanless Power Supply featuring Seasonic's Patented DC Connector Panel with Integrated Voltage Regulation Modules (Patent #: US8.040.686, TW381825, CN1552150, JP3171420. Patent Pending: US, DE). Seasonic's Patented Fully Modular Design minimises voltage drops and impedance and greatly maximizes efficiency and cooling to enhance overall performance and reliability. 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. Compared to the previous models these new models have a free efficiency upgrade for 400FL and 460FL: from 80+ Gold to 80+ Platinum, is now available in 520W and now use black flat module wires.