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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.
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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 42 Showing 821-840 of 1,783 reviews
  • Pros mentioned:
    Power supply

    Works

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

    It's a good power supply however if you run a gtx 3080 ti. You need 3 pcie plugs but you only get 2 .

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

    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.

    Pretty solid power supply, no issues. I always pick corsair products.

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

    Best power supply all around

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

    Not bad for a low mid tier to low high tier pc setup.

    I would recommend this to a friend

  • Stays cool fixed my pc

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

    Fixed my pc easy install doesn’t over heat looks great

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

    Awaken my monster

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

    Without this my monster wouldn't open her eyes. So much power.

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

    Great power comes great responsibility

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

    More power and no issues. Works as it should with no issue handling todays needs.

    I would recommend this to a friend

  • 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.

    Quality PSU for the price, you get what you paid for!

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

    Gold for Sure

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

    One of the best power supplies I've used. Easy to install and a perfect fit!

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

    Good

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

    Easy to install the quality felt good no problems so far

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

    A great option for a serious build

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

    A great option for a serious build.. I added this to my latest gaming/media server/HTPC build and couldn't be happier.

    I would recommend this to a friend
  • Best Buy Employee

    Worth every penny

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

    Amazing packaging and easy installation with their guide help.

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

    Great PSU

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

    Easy to install and quality wires definitely recommended

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

    Corsair 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.

    This power supply has more than enough connections and powered a 4080 no problem

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

    Great!

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

    Great power supply have had it for over a year works great.

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

    Super easy to configure

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

    Comes with plenty of extra supplies and makes it very easy to set up a build with.

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

    Solid psu

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

    Perfect unit to power a recent build. Overclocked 10900k & 3080, 10 rgb case fans, 2 ssd, 2 hdd, 3 m.2, and a d5 pump.

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

    CORSAIR 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.

    Very easy install and plenty of modular cables for wiring

    I would recommend this to a friend

  • Good Fully Modular Power Supply

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

    Needed this after a gpu upgrade, can't say anything bad about it. Chords don't look cheap and the price wasn't terrible.

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

    Works Great.

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

    Works great! Made my own pc build and its been working smooth with my Ryzen 5 and 3080

    I would recommend this to a friend

  • Corsair PSU

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

    No complaints, as usual. Works as advertised. Nice cables too.

    I would recommend this to a friend
Page 42, Showing 821-840 of 1,783 reviews
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