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  • Front. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black.
  • Alt View 11. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black.
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  • Alt View 18. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black.
  • Alt View 19. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black.
  • Alt View 20. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black.
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  • Alt View 22. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black.
  • Alt View 23. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black.
  • Alt View 24. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black.
  • Alt View 25. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black.
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  • Alt View 28. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black.
  • Alt View 29. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black.
  • Step-by-Step Instructions to Build a PC video 6 minutes 35 seconds
  • CORSAIR How to Build a PC - How To Video video 1 minutes 34 seconds

CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black

Model:
CP-9020200-NA
SKU:
6459244
Highly rated by customers for:
Your price for this item is $149.99

Customer reviews

Rating 4.8 out of 5 stars with 1783 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.7 out of 5 stars

  • Quality

    Rating 4.8 out of 5 stars

  • Ease of Use

    Rating 4.8 out of 5 stars

Pros mentioned filter

Cons mentioned filter

96%would recommend to a friend

Customers are saying

Customers frequently mention the RMx Series RM850x's excellent performance and quiet operation as major strengths. Its fully modular design and ease of installation are also frequently praised, simplifying cable management and the overall building process. While some users noted its larger size, the positive feedback overwhelmingly focuses on its reliability and value. The power supply is considered a great option for its price point.

This summary was generated by AI based on customer reviews.

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.
Page 49 Showing 961-980 of 1,783 reviews
  • Pros mentioned:
    Ease of use

    Power supply

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    Posted . Owned for 6 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This power supply was really easy to install and works great

    I would recommend this to a friend
  • Pros mentioned:
    Power supply

    Reliable

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    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Reliable consistent power with low noise. Ordered online & picked up in the store.

    I would recommend this to a friend
  • Pros mentioned:
    Performance

    Working as expected.

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    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I needed to replace a PSU and bought this one to do it. Has been working pretty good so far and it's great.

    I would recommend this to a friend
  • Pros mentioned:
    Power supply

    Corsair PU

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    |
    Posted . Owned for 7 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great Corsair 850 power unit for high ends machines

    I would recommend this to a friend
  • Pros mentioned:
    Power supply

    Just buy Corsair

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    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great PSU. Corsair has yet to let me down and I will not need change anytime soon.

    I would recommend this to a friend
  • Pros mentioned:
    Power supply

    Love corsair

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    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Powerful upgrade to my pc ensures further upgrades.

    I would recommend this to a friend
  • Pros mentioned:
    Noise level

    The best Psu Slient

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    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Solid build and very quiet. I would highly recommend this PSU for high end build

    I would recommend this to a friend
  • Pros mentioned:
    Power supply

    Powersupply works great

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    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    installed Powersupply now PC works great - not that expensive

    I would recommend this to a friend
  • Pros mentioned:
    Performance

    Standard power supply

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    |
    Posted . Owned for 6 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Corsair just makes amazing power supplies. It performs exactly as expected

    I would recommend this to a friend
  • Pros mentioned:
    Power supply

    Lots of Power

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    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Used this in a new build with a GTX 3070ti and a Ryzen 5800. Power to spare. A good purchase.

    I would recommend this to a friend

  • This PSU is PSU-ing! RECOMMEND!

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    So far so good, helped me spend less with the electric bill and got more headroom when it comes to overclocking my pc. It’s also priced fairly.

    I would recommend this to a friend

  • Very quiet and easy install

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    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Quiet and easy to install, fully modular makes cable management much easier

    I would recommend this to a friend
  • Pros mentioned:
    Power supply

    Powerful

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    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Easily powers up all my components. Has enough left to cover any additional pcie/ssd/hdd devices.

    I would recommend this to a friend

  • Great reliable unit Cant go wrong

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    |
    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    awesome psu reliable quiet never gets hot runs my 3070 and my 3080 with a 10700k in a 011dxl with 10 fans blasting no problem. its a type 4 gen 4 corsair psu so compatible with there corresponding premium cables with these Psu and corsair cables selection makes it very easy and affordable to add the finishing flare to a higher end pc with out having to spend over 150 dollars on cablemod cables

    I would recommend this to a friend

  • Awesome PSU

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Excellent PSU, great packaging and all the cables needed for the PC included.

    I would recommend this to a friend

  • Desktop battery

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    |
    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The product was great works just fine and honestly it was a good price

    I would recommend this to a friend
  • Pros mentioned:
    Performance

    power supply

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    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    for the system I got this works awesome and great highly recommend it

    I would recommend this to a friend
  • Pros mentioned:
    Power supply

    Psu

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    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Amazing power supply, it’s quiet and powers my 3060 easily

    I would recommend this to a friend

  • Every cable possible

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Phenomenal power supply that comes with every cable you could ever imagine. Awesome package that fits nicely and comes with tons and tons of cabling

    I would recommend this to a friend
  • Pros mentioned:
    Power supply

    10/10

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    Posted . Owned for 5 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    great powersupply that i use to power my high end 3070ti 10900k pc. didnt blow up.

    I would recommend this to a friend
Page 49, Showing 961-980 of 1,783 reviews
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