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After reviewing the Corsair SF1000 around a week ago (review HERE) I had high expectations for the SF850 and it is fair to say I have not been disappointed. These new SF Platinum-rated units are class leading in the SFX market – the partnership with Great Wall is proving such a success for Corsair in 2024.
Like its bigger brother, the SF850 produces great results across a variety of tests, with only ripple suppression not hitting the heights that some other designs achieve. This is not a concern, as discussed before, as they are still very good results, just not exceptional.
Load regulation scores highly in our tests, and the unit achieved 80 Plus Platinum levels which is impressive considering the diminutive form factor. More importantly, the unit also achieves Platinum approval from Cybenetics and really everyone should really be paying more attention to this verification platform in 2024. 80 Plus ratings are somewhat dated and can sometimes be fooled, making them much less useful in the real world.
This is not the quietest power supply you can buy, however this is always going to be a trade off with a small physical unit incorporating a 92mm fan, rather than 120mm or 135mm equivalent. A smaller fan at any given speed – if quality is consistent between the models – will always generate slightly more noise than a larger fan. It is unavoidable.
Right now you can pick up the SF850 power supply from SCAN in the UK for £174.98 HERE (the larger capacity SF1000 is available for £199.99 HERE.) I consider both good value purchase as it targets a market which often gets overlooked by other brands.
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Pros:
- High quality design from soldering to components.
- 105C Japanese capacitors.
- Stellar build quality.
- Tight load regulation.
- FDB fan is great.
- 7 year warranty.
- Compact design suits many builds.
- Quality cabling.
- Fully modular.
- ATX 3.1/PCIe 5.1.
- SFX to ATX adapter bracket in box.
Cons:
- Not the quietest power supply under load.
KitGuru says: The SF850 Platinum is another fantastic power supply from Corsair – just as good at its bigger brother. It delivers high quality power and super efficiency combined with stellar build quality. It earns our highest MUST HAVE award today.
