Seasonic Platinum Series Fanless 520 W

Seasonic Platinum Series Fanless 520 W

Specifications »


We would like to thank Seasonic for supplying the review sample.

Seasonic is one of the most experienced PSU OEMs, which makes every new product they release pretty interesting to a major portion of users and most PSU reviewers. Until recently, their portfolio only included two Platinum efficiency units, the SS-1000XP, which we have reviewed in the past, and the SS-860XP. Their other high-end models only feature Gold efficiency, but that situation is about to change significantly with the introduction of three new Platinum models with 760 W, 660 W, and 520 W capacity, the latter of which is a fanless unit.

Today, we will rigorously evaluate the Seasonic Platinum Series Fanless 520 W PSU. Its model number is SS-520FL, and it packs several improvements over the X-460FL: Seasonic's previous fanless PSU flagship. Capacity has, for starters, increased by 60 W and efficiency has been upgraded to Platinum. The SS-520FL's new platform is significantly different to the one its predecessor used. It allows for better performance and improved efficiency at low loads, which is an area the X-460FL didn't do so well in. The SS-520FL also comes with a fully modular cabling design, which will thrill most users, a well-ventilated enclosure that allows for optimal heat dissipation, a single +12V rail, and a seven-year warranty. The number of PCIe connectors has not changed. The unit only comes with two PCIe connectors. We were really expecting Seasonic to equip this unit with an additional two connectors since the capacity has increased, which would have made the SS-520FL an option with SLI or Crossfire configurations. We are pretty sure that many users out there will be let down by the lack of four PCIe connectors, and Seasonic should look into this issue as soon as possible.

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