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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 19. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black.
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  • 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.
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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 45 Showing 881-900 of 1,783 reviews
  • Pros mentioned:
    Power supply

    Great product

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

    Very good PSU for the price. Plentiful power for a good set up. I paired this with my new 3080 card.

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

    Great PSU

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    |
    Posted . Owned for 8 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Would recommend this PSU for those starting to build their first pc

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

    Corsair Always does it!

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

    Great PSU! As always, anything made by corsair is 99.99% reliable! Running 5900x and 3080 just fine.

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

    It turns on now!

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

    Before i had this product my computer would not turn on. After installing the PSU it turns on every time. Great product.

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

    Great psu

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

    Does the job and is reliable. Never had an issue with corsair psus

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

    No Issues With New Rebuild

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

    Did a rebuild with a 3070 and an 11900K so I needed to make sure I had adequate power. This thing has no issues.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Modular PSU is the way to go.

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

    The easiest computer related installation I've done.

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

    Great Corsair PSU!

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

    Great PSU Had it installed by geeksquad you can never go wrong with corsair

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

    Will last for years

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

    great power unit!! its silent and just what I needed for my New GPU

    I would recommend this to a friend

  • Corsair = reliability and durability. Trustworthy.

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

    It's Corsair. What's not to like about them? One of the most reliable brands for computer components. Tried and true. Twenty years of building computers and not a single Corsair power supply has failed on me. Highly, highly recommended.

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

    Fully modular

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

    Unlike some others that say modular this ones fully. No wires coming out unless you add them!

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

    Great power supply

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

    You can't go wrong with corsair and that goes for their power supplies especially.

    I would recommend this to a friend

  • Geek squad

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    Posted . Owned for 8 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I brought my pc in to the geek squad and they fixed my fried psu the day after.

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

    Great purchase

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

    It's been a few months since I got this. No complaints. Works great.

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

    Gaming Rig

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

    Great psu sold stable amps no rippling reboot when gaming.

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

    Awesome products!

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

    Second Corsair psu I’ve owned and both have worked flawlessly. Running this with a 6800xt and a 5800x perfectly!

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

    The right stuff

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

    Excellent power source, able to only install the power leads needed.

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

    Best PSU

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

    Being modular just makes it so much easier to install in a system that has 10 fans like mine does.

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

    Nice

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

    Perfect amount of power that was needed for a build

    I would recommend this to a friend

  • Noice

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

    Solid PSU. Upgraded from a 650 and installation was a breeze.

    I would recommend this to a friend
Page 45, Showing 881-900 of 1,783 reviews
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