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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 1786 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 63 Showing 1,241-1,260 of 1,786 reviews

  • beast of a psu

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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.

    850 watts is more than enough for my 3080 and 5700x, but i know i can upgrade and not have to buy another psu...

    I would recommend this to a friend

  • Powerful

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

    I bought this new power supply when I upgraded my PC with a Nvidia RTX 3080ti GPU. Boy it's runs great and is quiet too. This was also recommended to me by a friend of mine.

    I would recommend this to a friend

  • Awesome

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

    This psu has worked perfectly since i got it and has not failed my pc as of yet.

    I would recommend this to a friend

  • Best price makes a best buy!

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

    Corsair PSU great oroduct. Has everything you need. Best Buy had best price and super fast handling and shipping!!!

    I would recommend this to a friend

  • cool beans

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

    very nice powersupply woth adequate modern adapters

    I would recommend this to a friend

  • Powerful, Reliable, Made for Higher End PCs

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

    Reliable, Powers my NVIDIA 3090 FE with great leftover power for other parts.

    I would recommend this to a friend

  • Reliable 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.

    Excellent product I haven't had no issues whatsoever, I recommend it to anybody.

    I would recommend this to a friend

  • Good PSU

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

    Works well with 7800x3d and 7900xtx. No issues and has been a stabile PSU!

    I would recommend this to a friend

  • Amazing

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

    Havent gitten to use it but it feels great qyality and packaging is also good

    I would recommend this to a friend

  • Hi

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

    Nice worked well and was completely happy with quality

    I would recommend this to a friend

  • Quality 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 with my new Ryzen 9 7950x3d and RTX 4080 rig. Having zero problem so far. Can't go wrong with Corsair!

    I would recommend this to a friend

  • Corsair Power Supply Unit

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

    Provides good power to the new computer build; fit in nicely into the computer case. Modular design minimizes cable clutter to only what is needed.

    I would recommend this to a friend

  • Excellent PSU

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

    Upgraded my psu of 650 watts to 850 watts. It works fantastic and the is no issues.

    I would recommend this to a friend

  • No complaints

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

    Works perfectly with my build, no issues as of yet. Smelt weird out of the box, but went away over some use.

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

    great product

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

    This powers device very well and would highly recommend.

    I would recommend this to a friend

  • Great quality, maybe check your case compatibility

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

    Worked as expected, would buy again. A bit snug in my case (Corsair Airflow 4000D) but absolutely fits

    I would recommend this to a friend

  • Great price for performance

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

    a great PSU for the price! Works great and fits perfectly in my case (Corsair 5000D airflow).

    I would recommend this to a friend

  • PC RM850x PSU

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

    Excellent brand and power supply! Definitely worth it!

    I would recommend this to a friend

  • Amazing

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

    Works amazingly and as all right connector for the job

    I would recommend this to a friend

  • its a beast

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

    Power supply in my machine went out. and replaced it with this one. Love the modular plugs. would highly recommend.

    I would recommend this to a friend
Page 63, Showing 1,241-1,260 of 1,786 reviews
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