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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 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 1779 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 3 Showing 41-60 of 1,779 reviews

  • It's AMAZING!

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

    Its minimal design and sleek building material makes this power supply the best on the market. The price is right and even has fully modular cables. Honestly, very, very good.

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

    Love it

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

    I really love this power supply . It has a lot of power

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

    Works Great

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

    Work great was powerful enough to power my gaming pc,first time building a pc

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

    Solid 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 as expected, no complaints so far. Solid power supply.

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

    Does what it suppose to!

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

    So far so good! Great product and was easy ro install.

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

    Good Quality

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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.

    Pretty good power supply, great for building a new computer

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

    Beast PSU.

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    Posted . Owned for 9 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Beast PSU. Powers a high-end PC and without breaking a sweat.

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

    Not bad

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

    Love how modular the PSU is. Really easy to put in. Cable management was not bad.

    I would recommend this to a friend

  • Good value

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

    RMx power supplies are good not much more to say, gold rated 850w at a decibel price.

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

    Power Clibbins, thank ya Barb

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

    boy this here thang dun did the job I tell you wuhht.

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

    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.

    My third Corsair PSU. Always performs as expected.

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

    Great power, cords little quality

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

    Great amount of power! Worried about the cord quality though...

    I would recommend this to a friend

  • Excited !!

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

    Happy with this product. Orders a lot of parts for my boyfriend recently and this helped (:

    I would recommend this to a friend

  • One of the best PSUs

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

    I've had multiple corsair psus in the past and they never failed me. I got this one as I needed more juice for a new gpu. No issues as always and build quality seems great.

    I would recommend this to a friend

  • Quiet and powerful

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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 been a while since I built a computer from scratch, but I knew I was going with nothing less than a Corsair. This power supply is perfect for my build, with plenty of room for expansion

    I would recommend this to a friend

  • Good 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.

    It is a pretty good power supply for a mid-tier PC, currently working on my current pc, should be perfect for a 4070 i7 build.

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

    Good

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

    Running 3 1660 supers no problem good pay all around

    No, I would not recommend this to a friend

  • Smooth Experience

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

    This RM850x power supply I purchased worked beautifully was the perfect choice to run my 3090 i9 13900k build. Good availability in store.

    I would recommend this to a friend

  • Amazing 850w

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

    This psu works great and makes my pc run more efficiently, as well as i have more legroom for future upgrades.

    I would recommend this to a friend

  • 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.

    Powers up this pc build np running a rtx 3070 ryzen 7 5800 4 8gb 3200 ram cards Corsair radiator and 6 ql fans

    I would recommend this to a friend
Page 3, Showing 41-60 of 1,779 reviews
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