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  • Front. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black.
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  • 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 67 Showing 1,321-1,340 of 1,786 reviews

  • Great item

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

    Great item... Son was very happy with this ti build his own computer.

    I would recommend this to a friend
  • Best Buy Employee

    Great psu

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

    Great well built psu, had no issues installing or using.

    I would recommend this to a friend

  • Great PSU

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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 Corsair their stuff is usually very good. So far my computer is working as good or better since i replaced an older Corsair psu(6yrs old).

    I would recommend this to a friend

  • Computer things

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

    Amazing buy, easy installation! Best buy is more than helpful

    I would recommend this to a friend

  • Corsair 850W

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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. Wish the 24 pin connector was braided. Will probably upgrade this in the future. Nice unit fairly quiet hardly hear it running.

    I would recommend this to a friend

  • Good Buy

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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 pc build. All specs are accurate.

    I would recommend this to a friend

  • Good power supply for the money!!!

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

    I was building my first pc and I find that know if I should trust this power supply but it turned out to be a nice and quit power supply.

    I would recommend this to a friend

  • Bit expensive but I can upgrade my components

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

    Haven't give me any problems in more than a year now. Quiet and pretty good looking.

    I would recommend this to a friend

  • Buy it

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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.

    It works, no noise no whine. Replaced my rm750 with this unit

    I would recommend this to a friend

  • Large 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.

    Great Power Supply with extra power to spare. This one is replacing Identical one that took a power surge. Stay with what works!

    I would recommend this to a friend

  • Good.

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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 good, It works perfectly fine. It gives power to all my stuff.

    I would recommend this to a friend

  • Power supply

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

    Great power supply haven’t had any problems so far.

    I would recommend this to a friend

  • Buy

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

    Love it works great no issues and enough power for all fans and graphic card

    I would recommend this to a friend

  • Lots of power

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

    Very nice power supply for the price I got it at. My only complaint would be it only comes with 2 PCIe cables.

    I would recommend this to a friend

  • Very happy with the quality

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

    Very well made, very durable, excellent quality, has not caused any problems yet.

    I would recommend this to a friend

  • Geek sqaude rules

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

    A great PSU with my B550 Tomahawk And buying the R7 5800x was the final touch

    I would recommend this to a friend

  • Very good psu would recommend

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

    Great power supply. One of the better brands so you know the quality

    I would recommend this to a friend

  • Great PSU!

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

    Ordered online and picked up in store. Item is just what I needed. zero issues and BestBuy had best price even from online sellers.

    I would recommend this to a friend
  • Best Buy Employee

    Beast

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

    Perfect PSU. No issues so far. Will recommend to friends

    No, I would not recommend this to a friend

  • It works for what I need

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    Posted . Owned for 10 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I bought this to upgrade my GPU as it needed more then my 400w prebuilt could handle. Unfortunately in the switch i lost the RGB lights on my PC. But it works and thats all I could ask I guess.

    I would recommend this to a friend
Page 67, Showing 1,321-1,340 of 1,786 reviews
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