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Corsair HX1000i Platinum Modular PSU Review

The Corsair HX1000i Platinum power supply is another quality unit from the company set to target the discerning enthusiast audience with multiple high drain graphics cards.

Externally, the supply meets the grade we would expect from a high end Corsair product – paintwork is deep and it passed our scratch test without a hitch. The simple two tone colour scheme that Corsair have used for years with their power supplies still looks fresh and very appealing inside a system with a windowed side panel.

The cabling deserves a mention. The high grade flat ribbon style cables are easy to work with and great to route behind a motherboard tray – even if space is limited. The long length of the primary cables will ensure compatibility with the biggest cases on the market today.

Corsair have placed a clear focus on reducing noise levels as much as possible – not only by including a high grade fluid dynamic bearing fan but by working on on the windings inside the components. This helps to eliminate the unpleasant noise often referred to as ‘coil whine'.

Technically, the unit performs well. Load regulation is good and all rails hold within 2% when the supply is tasked all the way up to 1000watts of delivery. It handled the cross load test well too, with only minor fluctuation on the +12V rail when we hit it with 72 Amps. Ripple suppression is commendable, although it does fall a little behind the best units we have tested in recent months.

The pure modular design, high efficiency, extremely low noise levels and stellar build quality will appeal to a wide audience of demanding enthusiast user. The pricing looks very competitive too, as according to Overclockers UK – the retail price will be £169.99 inc vat – available soon at this link.

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  • competitively priced Platinum supply.
  • well built.
  • looks great.
  • modular cables are first class.
  • load regulation.
  • very quiet.
  • 7 year warranty.


  • no shortage of competition in this sector.

Kitguru says: Another quality release from Corsair, and it is well priced considering the specifications.

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Rating: 8.5.

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