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CORSAIR HXi Series, HX850i, 850 Watt, 80+ Platinum Certified, Fully Modular - Digital Power Supply

CORSAIR HXi Series, HX850i, 850 Watt, 80+ Platinum Certified, Fully Modular - Digital Power Supply

By SpecPicks Editorial · Verified 2026-08-21

$139.99
Buy on Amazon — $139.99 Compare to similar cooling & fans

*Price sourced from Amazon.com. Last updated 2026-08-21. Price and availability subject to change.

Bottom line: The CORSAIR HXi Series, HX850i, 850 Watt, 80+ Platinum Certified, Fully Modular - Digital Power Supply is a niche pick — read recent reviews before buying in the cooling & fans category, priced around $139.99. Read recent reviews carefully before committing.

HXi Series power supplies give you extremely tight voltage control, virtually silent operation, and a fully modular cable set. With all Japanese 105 Degree capacitors, they're a great choice for high performance PCs where reliability is essential. 80 PLUS Platinum efficiency reduces operating cost and excess heat, and together with Zero RPM Fan Mode technology, gives you virtually silent operation. With Corsair Link Digital support, you can monitor power supply performance, toggle single rail or multi rail mode, and control fan speed directly from your desktop. And, the fully modular, low…

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SpecPicks Verdict

SpecPicks classifies CORSAIR HXi Series, HX850i, 850 Watt, 80+ Platinum Certified, Fully… as a niche pick — read recent reviews before buying in the cooling & fans category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for cooling & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

  • ✓ High Performance Design
  • ✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

  • High Performance Design
  • 80 PLUS Platinum certified efficiency
  • Flat black, low-profile modular cables
  • 850 watts of reliable, continuous power delivery
  • ZeroRPM mode for fanless operation at low loads and outstanding noise reduction
  • Ten year warranty: Your guarantee of reliable operation that will last across several system builds

Full Specifications

BrandCorsair
Wattage850 watts
Model Namehxi series
Form FactorATX12V / EPS12V
Model NumberCP-9020073-NA
Built-In MediaPower supply - internal
Connector TypeEPS
Cooling MethodAir
Number of Fans1
Output Wattage850.0
Item Dimensions18.6 x 8 x 6.8 inches
Mfr Part NumberCP-9020073-NA
Ten year warrantyYour guarantee of reliable operation that will last across several system builds
Compatible DevicesPersonal Computer

Ready to buy?

CORSAIR HXi Series, HX850i, 850 Watt, 80+ Platinum Certified, Fully Modular - Digital Power Supply is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-08-21. Price and availability subject to change.

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CORSAIR HXi Series, HX850i, 850 Watt, 80+ Platinum Certified, Fully Modular - Digital Power Supply
$139.99
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