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Customer Ratings & Reviews

Your price for this item is $149.99

Customer reviews

Rating 4.8 out of 5 stars with 1786 reviews

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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

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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 68 Showing 1,341-1,360 of 1,786 reviews
  • Rated 5 out of 5 stars

    Great psu

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

    Was a rush buy my old psu couldnt run my new gpu but so far thing is outstanding

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Power Supply Review

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

    Amazing Quality, Amazing build, and works amazing!

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Psu

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

    It didnt worked as planned but still keeping it thanks

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Serves its purpose

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

    Gets the job done ✅ I needed some cable extensions to get clean cable management but the power supply works fine

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Excellent quality

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

    Easy installtion and great quality. Overall a good purchase.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Power Supply

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

    Works as expected. The power supply is exactly what I need and it works.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Corsair RM850 review

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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, haven't had any problems. Very happy with this purchase.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    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.

    Great product . Never buy any other brand. I would highly recommend it.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    It's a 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.

    Functions as advertised. This is in fact a power supply that supplies power.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Trusty PSU

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

    I'm a big Corsair fan so of course I bought a Corsair PSU. Not much to say about a power supply but this is a brand I know and trust.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Great power supply for the price.

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

    Great power supply. Does the job running what I needed. AMD processor, ASUS motherboard, NVIDIA ROG Stric RTX 3060 video card.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Great Value for the price

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

    Great Value for the price, highly recommended for ease on installation.

    I would recommend this to a friend
  • Rated 3 out of 5 stars

    Great PSU Great Warranty.

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

    Super quiet . Unfortunately as im writing this review im going over the warranty information because it died after a year and a half. The warranty is 10 years so im not too hurt. I would buy it again if I had to.

    I would recommend this to a friend
    • Brand response from Corsair
      Posted .

      Hello,

      That's very unfortunate, sorry to hear! Do contact our team directly right on our site for assistance with this, they'll get you back up and running in no time again!

      -Art CorsairGaming

  • Rated 5 out of 5 stars

    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.

    Great PSU! Meets requirements. Best option for me to upgrade PC in the future. Great quality.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Power!

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

    Very quiet, and stable. Improved my pc performance, and made it quieter.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Great quality

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

    Great quality and works great. Great brand and I recommend

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Great performance!

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

    Excellent product I will buy for my next build and so far no regrets.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Awesome

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

    Great psu for my setup 7900xtx and am5 Ryzen 9 3dx

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Very quiet. Works perfect.

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

    Was worried but it perfectly fits Alienware Aurora r9 and r10 desktop case!

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    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.

    Everything came with psu and works great so far. Installation was the usual story.

    I would recommend this to a friend