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Silverstone Hela Series 850R Platinum (850W)

There is no doubt in my mind that the Silverstone HELA Series 850R is a great power supply. The neutral colour scheme will suit a variety of systems and the build quality is very high grade throughout.

This High Power design is clean with use of high quality 105C-rated Japanese caps, and the test results highlight an all-round capable unit, without any discernible weaknesses. Ripple suppression falls within industry rated parameters and the unit passed our cross load test with flying colours. It was also able to deliver over 930 watts sustained without shutting down as well.

The choice of flat cables and fully modular design ensures that the build phase is as easy as possible. You only connect the cables you need, and their flexibility means that hiding them isn't too difficult.

During operation the Silverstone HELA 850R is quiet and it is only really above a sustained 700 watt demand that the large fan speeds up quickly to deal with rising internal heat throughout the chassis. If you want to build a good gaming system with a draw of around 500 watts , then this power supply will remain very quiet during real world extended gaming sessions.

In the UK this power supply is available for around the £220 inc. VAT price point – it is listed on Overclockers UK for £219.95 at time of going to press and you can buy it HERE.


  • Quiet under extended load.
  • Quality Rubycon 105C-rated Japanese capacitors.
  • Fully modular.
  • Flat cabling.


  • Expensive unit.

KitGuru says: The Silverstone Hela Series 850W power supply scored well throughout all our testing. This is a capable, fully modular unit that deserves some serious consideration if low noise levels and high quality power are a primary concern. It comes highly recommended.

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Rating: 8.5.

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