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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 14. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black.
  • Alt View 15. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black.
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  • Alt View 17. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black.
  • 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 37 Showing 721-740 of 1,783 reviews
  • Pros mentioned:
    Power supply

    RM850x

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    Posted . Owned for 11 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Works great! No issues what so ever and it provides plenty of power.

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

    Corsair RM850x

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

    Wonderful power supply with zero issues! Great product for a good and worthwhile price!

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

    Solid PSU

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

    Solid power supply, great for a mid to high range system.

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

    Fantastic power supply for the money

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    |
    Posted . Owned for 1.5 years when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great power supply for the money. Top notch quality, good cabling.

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

    Dependable and Consistent PSU

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

    Haven’t had a bad experience yet with Corsair PSUs. Use them in every build except for prebuilts or purchase combos

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

    good

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    |
    Posted . Owned for 1.5 years when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Solid power supply. haven't done me wrong yet. good budget option as well

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

    Worth it

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

    Great device. Helped my computer and things are working better

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

    Soild

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

    Runs perfect no issues so far, much better than the pervious had i had

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

    Da power

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

    It good very good dont need no more power very good

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

    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.

    No issues what so ever, very easy to setup. Runs my rig with a 3080 like a top.

    I would recommend this to a friend

  • Excellent 850W 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.

    Good modular power supply. Included cables feel good, everything is labeled clearly, install process was a breeze.

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

    Works better than the stock components

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

    So much quieter than my stock psu. Fixed all the issues with my cyber power PC.

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

    Corsair 850W ATX

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

    Very satisfied with the purchase of this source, excellent performance and power.

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

    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 havent had any problems unlike the last one that crashed a lot

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

    Nice PSU

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

    Easy to use and really nice quality for a PSU. I am an amateur when it comes to this but this was easy to work with.

    I would recommend this to a friend

  • Love it

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

    Ive had no issues with this psu. Cable management is so much easier with a modular one

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

    Great PSU, Awesome price

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

    Best PSU I've ever had and it matches my case. Very reliable and will last many years

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

    Excellent

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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.

    Very nice power supply, i just got it to match my corsair set up. Its expensive and there are cheaper alternatives.. but they dont have a lil boat

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

    Solid PSU

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

    Solid power supply. Using it to power a 6950XT and 13700k. Probably getting really close to being maxed out but its been 7 months and i still dont have any issues.

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

    Worth the money

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

    Definitely could power anything! I have a 4070ti and it gets the job done

    I would recommend this to a friend
Page 37, Showing 721-740 of 1,783 reviews
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