Power SuppliesReviews

Sharkoon SilentStorm Cool Zero 850W 80+ Gold PSU Review


Conclusion and Verdict

The SilentStorm Cool Zero 850W PSU from Sharkoon made a very positive impression. It’s our first PSU in tests from Sharkoon and the same as other products from this brand; it’s worth our recommendation.

The PSU is quiet and keeps stable voltages. It also handles high wattage setups. There is not much more we could expect of the PSU.

Depending on the store, the PSU has two or three years of warranty, which is relatively short. I would expect about five years of warranty for a high-quality PSU.

Sharkoon SilentStorm Cool Zero 850W costs around €120 in the German Amazon store. It’s less than some other brands ask for 850W 80+ Gold units. Many brands sell 650-700W at about the same price, so we can say that the Sharkoon option is inexpensive.



  • 80+ Gold certificate
  • High efficiency
  • can handle 850W or even more of continuous load
  • Fully modular
  • Zero RPM mode
  • Fan delay mode
  • Quiet, even under high load
  • Inexpensive


  • Cables could be braided
  • Quite short warranty


Final words:

The Sharkoon SilentStorm Cool Zero 850W PSU is clearly worth our recommendation, especially for all those users who really care about using high-quality components in their PSUs. It’s a great PSU for gaming. It’s inexpensive, it’s fully modular and offers high efficiency, as well as quiet operation at full load.

Sharkoon SilentStorm Cool Zero 850W 80+ Gold PSU receives well deserved Editor’s Choice Award!



You can buy the Sharkoon SilentStorm Cool Zero 850W PSU for around €120 from Amazon DE- https://amzn.to/33KS9B8


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