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Corsair HXi Series, HX1200i, 1200 Watt, 80+ Platinum Certified, Fully Modular - Digital Power Supply

Corsair HXi Series, HX1200i, 1200 Watt, 80+ Platinum Certified, Fully Modular - Digital Power Supply

Bottom line: The Corsair HXi Series: 80 PLUS Platinum: 92% efficiency at real-world load cuts heat and power draw; main trade-off: 1200W is more capacity than most single-GPU builds actually need.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ 80 PLUS Platinum: 92% efficiency at real-world load cuts heat and power draw
  • ✓ Zero RPM fan mode runs fully passive and silent at low loads
  • ✓ All-Japanese 105°C capacitors for reliability across multiple builds
  • ✓ Fully modular low-profile cables cut clutter and boost chassis airflow
  • ✓ Corsair Link digital monitoring with single/multi-rail toggle and fan control

Cons

  • ✗ 1200W is more capacity than most single-GPU builds actually need
  • ✗ Digital monitoring features require installing Corsair Link software
  • ✗ ZeroRPM leaves the fan off at low load, so no spinning airflow cue
  • ✗ Full ATX footprint won't fit SFX or small-form-factor cases

Manufacturer description

HXi Series power supplies give you extremely tight voltage control virtually silent operation and a fully modular cable set With all Japanese 105 Degreec 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 profile cable…

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SpecPicks Verdict

SpecPicks scored Corsair HXi Series using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Compare with similarly-priced alternatives in the power supplies category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies 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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Corsair Link Integration for monitoring performance and adjustment of fan speed and multi-rail/single rail mode Multi-GPU ready
  • 80 PLUS Platinum efficiency delivering 92% energy efficiency at real world load conditions
  • ZeroRPM mode for fanless operation at low loads and outstanding noise reduction
  • 140mm thermally controlled fluid dynamic bearing fan spins up as needed
  • Fully Modular low profile cables for easy installation less clutter and helps maximize airflow through your computer's chassis SATA Connector 16
  • Ten year Your of reliable operation that will last across several system builds

Full Specifications

BrandCorsair
Wattage1200 watts
Fan Size14 centimeters
Model Namehxi series
Form FactorATX12V
Model NumberCP-9020070-NA
Connector Typeconnector:16.
Cooling MethodAir
Number of Fans1
Output Wattage1200
Item Dimensions15.43 x 8.85 x 5.98 inches
Mfr Part NumberCP-9020070-NA
Number of Items1
Number of Packs1
Compatible DevicesPersonal Computer
Connector Quantity28
Power Supply DesignFull Modular
Maximum Input Voltage264 volts
Minimum Input Voltage115 volts
Item dimensions L x W x H15.43 x 8.85 x 5.98 inches

Ready to buy?

Corsair HXi Series, HX1200i, 1200 Watt, 80+ Platinum Certified, Fully Modular - Digital Power Supply is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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Corsair HXi Series, HX1200i, 1200 Watt, 80+ Platinum Certified, Fully Modular - Digital Power Supply
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