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CORSAIR - HXi Series HX1200i 80 PLUS Platinum Fully Modular Ultra Low-Noise ATX 3.1 and PCIE 5.1 Power Supply - Black

Model: CP-9020307-NA
SKU: 6618664
Sold byBest Buy

Customers are saying

Customers value the exceptional reliability of this power supply, which users consistently trust for their builds. The fully modular cable design is highly praised for creating a clean aesthetic, while the robust power output easily handles demanding PC configurations. Additionally, users appreciate that the unit operates quietly, contributing to a pleasant overall experience.

Generated by AI based on customer reviews.

Wattage

1200 watts
Features

  • Fully Modular Cabling

    Connect only the cables your system needs, making clean and tidy builds easy.

  • Intel ATX 3.1 Certified

    Compliant with the ATX 3.1 power standard, supporting the PCIe Gen 5 platform and resisting transient power spikes.

  • 140mm Fluid Dynamic Bearing (FDB) Fan

    Delivers extremely quiet and long-lasting fan performance.

  • Powerful CORSAIR iCUE Software

    Create custom fan curves, monitor power settings, and toggle between single to multi-rail overcurrent protection (OCP) on-the-fly.

  • Zero RPM Fan Mode

    At low and medium loads the cooling fan switches off entirely for near-silent operation.

  • 80 PLUS Platinum Certified

    Up to 92% efficiency for exceptional low power consumption, less noise, and cooler temperatures.

  • 100% Japanese 105°C Electrolytic Capacitors

    Premium internal components ensure unwavering power delivery and long-term reliability.

  • Modern Standby Compatible

    Extremely fast wake-from-sleep times and better low-load efficiency.

  • Digitally Controlled Platform

    Resonant LLC topology and DC-to-DC conversion provides clean, consistent power and minimizes coil whine and noise for quiet operation.

  • Ten-Year Warranty

    Your guarantee of reliable operation that will last across several system builds.

Specifications
  • Wattage
    1200 watts
    Modular
    Fully modular
    Energy Efficiency
    Cybenetics Platinum, 80 PLUS Platinum
    ATX Connector
    1x 24-pin ATX (24-pin) Connector. 2x /ATX12V CABLE (4+4 - pin)Connectors
    PCIe Connector
    5x PCI (6+2) Connectors
    EPS12V Connector
    2
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Reviews

Rating 4.6 out of 5 stars with 16 reviews

5 star rating. 12 reviews4 star rating. 3 reviews2 star rating. 1 review
94% would recommend to a friend
Customers are sayingCustomers value the exceptional reliability of this power supply, which users consistently trust for their builds. The fully modular cable design is highly praised for creating a clean aesthetic, while the robust power output easily handles demanding PC configurations. Additionally, users appreciate that the unit operates quietly, contributing to a pleasant overall experience.
This summary was generated by AI based on customer reviews.
  • Reliability (6)
  • Cable Design (4)
  • Power Output (4)
  • Noise Level (3)

Customer Images

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

  • Rated 5 out of 5 stars

    The CORSAIR HX1200i

    The CORSAIR HX1200i has been excellent in my build. It’s very quiet, runs cool, and handles high-end hardware without any issues. The fully modular cables made the build look much cleaner, and overall it just feels like a very reliable premium power supply.

    Posted by EdansO

  • Rated 5 out of 5 stars

    Production quality

    The increased power actually saves money. A perfect match for my upgraded gpu.

    Posted by FrederickC

  • Rated 5 out of 5 stars

    Outstanding Power Supply

    The CORSAIR HX1200i is an excellent power supply. The build quality is outstanding, and the fully modular cables made cable management clean and easy. Installation was straightforward, and everything worked perfectly right out of the box. It's extremely quiet, even under heavy loads, and the 1200W capacity provides more than enough power for a high-end gaming or workstation PC. The ATX 3.1 and PCIe 5.1 support also make it a great choice for current and future GPU upgrades. If you're building a high-performance system and want a reliable, efficient, and premium power supply, I highly recommend the CORSAIR HX1200i.

    Posted by lordquiles

  • Rated 5 out of 5 stars

    Quiet, Powerful, and Worth the Upgrade

    I just picked up the Corsair HX1200i for my new build, and it’s been great so far. The install was super easy thanks to the fully modular cables, and the unit itself feels really solid and high quality. My system runs a high-end GPU, and the power delivery has been perfectly stable with no weird noises or coil whine. What I like most is how quiet it is—I honestly can’t hear it at all while gaming. It’s definitely not cheap, but it feels like one of those parts you buy once and don’t have to worry about for years. Overall, really happy with the purchase.

    Posted by Clem

  • Rated 4 out of 5 stars

    1200 corsair, no dedicated GPU output

    I am happy with my power supply and has not failed yet. Seems well build and like the option to be able to monitor power from the corsair dashboard. Only thing that was a surprise was the lack of a dedicated 12v 2x6 connector. They have the conversion cable but buying what I thought would be the higher end power supply would come with the dedicated GPU connector. O well no biggie

    Posted by JustJ

See all customer reviews
  • Customer reviews from bestbuy-ca
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Pros for CORSAIR - HXi Series HX1200i 80 PLUS Platinum Fully Modular Ultra Low-Noise ATX 3.1 and PCIE 5.1 Power Supply - Black
Noise Level, Reliability, Cable Design, Power OutputNoise Level, Overall Performance, Power, Cable Management, CompatibilityOverall Performance, Noise Level, Power Capacity, Installation EaseThere were no pros for this product—

Specs

Questions & Answers

  • Does the fan always run?

    No, the fan has a Zero RPM mode, meaning it switches off entirely at low and medium loads for near-silent operation.

    This question and answer was generated by AI based on customer and product data.

  • What is the warranty period for this power supply?

    This power supply comes with a 10-year warranty for both parts and labor.

    This question and answer was generated by AI based on customer and product data.

  • Is this power supply fully modular?

    Yes, the cabling is fully modular, allowing you to connect only the cables your system needs.

    This question and answer was generated by AI based on customer and product data.

  • What is the efficiency rating of this power supply?

    It's 80 PLUS Platinum Certified, with up to 92% efficiency.

    This question and answer was generated by AI based on customer and product data.

  • Does this power supply have a fan?

    Yes, it has a 140mm Fluid Dynamic Bearing (FDB) fan designed for quiet and long-lasting performance.

    This question and answer was generated by AI based on customer and product data.
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