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Seasonic Platinum Fanless 520W Power Supply Review

Rating: 9.5.

Seasonic have been releasing a fantastic range of power supplies this year including the high end X-Series and the price competitive G-Series. Today we are looking at something really special however- a fanless, modular Platinum certified supply targeted at those people who want to build a silent system.


Special Features –

  • 80PLUS® Platinum Certified Super High Efficiency
  • Full Modular Cabling Design
  • Fanless- 0dBA
  • Patented DC Connector Module with Integrated VRM [Voltage Regulator Module]
  • DC to DC Converter Design
  • Conductive Polymer Aluminum Solid Capacitors
  • Highly Reliable 105°C Japanese Aluminum Electrolytic Capacitors
  • Tight Voltage Regulation [±2%]
  • Active Power Factor Correction [99% PF Typical]
  • High +12V Output
  • Gold Plated High Current Terminals
  • Dual Sided PCB Layout
  • Ultra Ventilation [Honeycomb Structure]
  • Multi-GPU Technology Support
  • All-in-One DC Cabling Design
  • Easy Swap Connector
  • Universal AC Input [Full Range]
  • 7 Years Warranty

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  • Xtreme

    that is fantastic. what a design

  • Davis

    yeah I agree, they nailed it with that one. only thing is, very few people will spend that money on a 520W unit, even if it is amazing. just the way it is.

  • Warren

    Wow that really is spectacular

  • Eran

    They make a lot of great power supplies, including a load for other companies! I would rather buy from seasonic directly that one of hteir partners.

  • Manacuna

    I prefer the flat cables to the sleeved ones, they t ake up less space, especially in a mini itx case.

  • gorman

    on page 6:
    “The large fan maintains good temperatures throughout, rising to a 15c above ambient intake threshold at full load”

    What large fan?

  • an invisible fan that doesn’t exist? fixed that!