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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 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 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 28 Showing 541-560 of 1,783 reviews
  • Pros mentioned:
    Power supply

    Quality component

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

    Quality power supply. Easy to install and get the 'puter back uo and working.

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

    Great performance with this fully modular PSU

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

    Great power supply. I haven't had any issues and I have a very demanding PC. This fully modular power supply allows for a much cleaner, organized build. I would highly recommend.

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

    Great power supplies

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

    I have using Corsair power supplies for all my builds, reliable and one of best manufacturers.

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

    Great PSU

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

    Works great I never have to worry about my pc shutting off because of not enough power.

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

    great 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.

    850 watts of pure power great for gaming on a i9 or i7 with a rtx 3060

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

    Great 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.

    Works great. No complaints here. Had old power supply die and this was easy to swap in.

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

    Great PSU

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

    Got this to run a 4070ti and works like a dream zero complaints. Had to buy an adapter for the GPU but I knew that going in

    I would recommend this to a friend

  • Cable management

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

    Love Corsair PSUs, always a solid options and the fully modular design makes it way easier for cable management

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

    Good Quality

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

    Pretty good power supply. Supports my current set up and they had it in stock the day after my previous one exploded. 10/10 i recommend

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

    Great power supply

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

    Bought this almost 3 years ago and ive had 0 issues with it. Running a ryzen 5800x and 3080

    I would recommend this to a friend

  • Awesome power supply

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

    I love this power supply because it comes with array of cables but you can only install the ones you need so you don’t have a bunch of extra wire harnesses getting in the way.

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

    Great power supply!

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    |
    Posted . Owned for 4 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Exactly what I needed for my build, Corsair is a good brand for pc parts.

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

    Can handle a 4900XT

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

    My new GPU 4900XT required more power and this worked perfectly.

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

    Very happy with it! Does what it should.

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

    Works perfectly for my first build and have had no issues thus far, so I am pleased!

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

    10/10

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

    Absolutely fantastic. The modularity makes it incredibly easy to set up. No overheating problems or any problems whatsoever.

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

    Great power supply for the cost

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

    Its enough for my current build, i wish the motherboard power cables were a tad longer, but it still reached in the nzxt h7 flow,

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

    Excellent

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

    Quiet and performant. Every time I build a new PC I come back to this series of PS. A little more expensive than others but you really do get what you pay for. The perfect balance of price and performance

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

    RM850x

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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 an 850watt, 80 plus gold, fully modular power supply with a 10 year warranty from a reputable company. Not sure how much more you can ask for at the price.

    I would recommend this to a friend

  • Power supply

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

    Great product! It just takes a couple of minutes to installed. Highly recommend worth every penny

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

    10/10

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

    Super easy to install and makes no noise at all. Perfect for any modern gaming setup,

    I would recommend this to a friend
Page 28, Showing 541-560 of 1,783 reviews
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