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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 73 Showing 1,441-1,460 of 1,786 reviews
  • Rated 5 out of 5 stars

    Good

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

    Good power supply for my pc. . No issues so far.

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

    My purchase

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

    Really good part to buy. Would recommend to anyone who is trying to build a pc.

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

    Corsair + Modular Wiring (Winner)

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

    Corsair makes high quality products & modular wiring is super helpful. Powered right up and never looked back.

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    Works, but is loud.

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

    I don't know if it's the difference between 80+ Gold vs Platinum, but this is considerably louder than my previous power supply. It is still new for me so time will tell how well it holds up.

    No, I would not recommend this to a friend
  • Rated 5 out of 5 stars

    seems good so far

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

    replaced a terrible power supply on a buddy's prebuilt. doesn't BSOD or crash anymore

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

    Solid Product

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

    No issues at all, and works will for my gaming pc.

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

    Good PSU

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

    1 of the best PSUs I have had in holding the correct voltages on each level and holding the voltages consistently

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

    850

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

    Awesome upgrade for a much needed larger psu for my gaming setup

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

    Powersupply

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

    Powers ASUS ROG STRIX B550-7, AMD Ryzen 9 5900X, ASUS GEFORCE RTX 3060 without problem.

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    Pretty good and reliable

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

    Does the job, no quirks. Good psu. However there is one sata connection that I think might have been DOA. Could also be something on my end.

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    Almost perfect

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

    Purchased to replace a failed Dell Studio XPS power supply. It worked well, has nice cable options, and would have been perfect if only it had included a 6-Pin Slimline SATA 15-Pin SATA Power Cable, which is required for the dvd.

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    Bite the bullet and get quality

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

    Expensive, but this is rated as A tier on the PSU tier-list. Full modular design is great and this is a well known quality PSU.

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

    Outstanding 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.

    Outstanding power supply. Extremely high quality.

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

    Plenty of power

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

    Great item priced high for the 80+. Would wait and buy when the price has came down some

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

    Great product

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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 from a great company. Corsair has been my go to for power supplies on every build.

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

    Beauty

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

    Works perfectly and doesnt create a lot of noise at all

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

    Rated 3 out of 5 stars

    it is what it is

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

    Pretty easy install, kinda whack that it only comes with 2 pcie cables when today's gpus need both right off the bat. Other than that I have no complaints yet.

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

      Hi Saka,

      Thank you for your feedback. It is worth noting that each PCIe 8-pin cable has dual 8-pin (6+2) connectors, yielding four total 8-pin connections. If you have any questions or concerns, please feel free to reach out: support.corsair.com

      -Albert CorsairGaming

  • Rated 5 out of 5 stars

    Great value

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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 for mid to high end builds Easy to install

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

    Good powersupply

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    Posted . Owned for 4 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Very good power supply. Everything is heavy duty. works great.

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    Review

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

    Pretty good, keeps it cool. Just dont like the loudness of it. It happens out of nowhere.

    I would recommend this to a friend