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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 18. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black.
  • Alt View 19. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black.
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  • Alt View 23. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black.
  • Alt View 24. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black.
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  • Alt View 28. CORSAIR - RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - Black.
  • 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 1783 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 31 Showing 601-620 of 1,783 reviews

  • 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.

    Works great. Corsair Power Supply have worked well for me in the past and this is no exception. It can handle high end parts and is decently priced.

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

    Great

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

    Needed to replace my old PSU on my first build, so I went this route. Great product. Definitely looking into these more in the future. Great experience in Corsair lately.

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

    Reliable and quality

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

    Easy to install, quiet and works like a charm. Has been goin strong now for 6 months

    I would recommend this to a friend

  • S-tier

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

    S-Tier PSU with modular configuration for S-Tier cable management. Corsair GOAT

    I would recommend this to a friend

  • Great

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

    Love it! Makes cable management super easy. Has lots of room to upgrade as long as you arent getting a high end 40 series!!!

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

    Works great with my computer

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

    Had to replace a Cyberpower cheap power supply that broke. No issues and works great!

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

    Great PSU

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

    Have it paired with RTX 4080 i5 12600k and 64gb of ram, more then enough power for everything

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

    Yess and yesss

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

    Very good PSU. It does the job and some. It is definitely enough for 90% of setups

    I would recommend this to a friend

  • Favorite power supply

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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.

    Admittedly I’m a bit of a Corsair fan boy. Having said that this is the best power supply I’ve owned. Super easy install and the modular cables made it super easy to keep the pc looking clean

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

    Dont think and get it

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

    I got This power supply for my first pc build, is perfect

    I would recommend this to a friend
  • Cons mentioned:
    Coil whine

    Great buy

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

    good power supply. Bought this one because i had a problem with coil whine on my old power supply but ended up getting this one and it went away.

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

    PC Build

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

    Provides more than enough power for my latest build.

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

    Excellent PSU!

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

    Excellent psu! I have it running an rtx3080 and a rtx 2060 super and it seems to be running perfectly! I had to pick up this power supply because my rm700x was dead on arrival! Love Best Buy!

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

    Strong psu

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

    Powers my entire system flawlessly! Handles 5800x3d and 7900xt overclocked with no issues

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

    Really good and reliable.

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

    Corsair is a really big and popular brand, that comes with grear reliability. Amazing PSU.

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

    Works good and looks good.

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

    Works as it should and looks nice. Not much else to say

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

    superb quality, GREAT PRICE

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

    Can not beat the price for the peace of mind of having a high quality psu

    I would recommend this to a friend
  • Cons mentioned:
    Size

    Beast in Power and Size

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

    This thing is a beast but also slightly larger than other PSUs. I ended up having to remove my hard drive tray to get it to fit. FYI for when you're planning your build.

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

    Fantastic

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

    Needed to replace my older 600 watt corsair psu and this one fit the bill perfectly. I personally trust corsair more than anyother for psu's

    I would recommend this to a friend

  • Great psu

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

    Had this for over a year, still going strong and quiet. Comes with plenty of extra cables.

    I would recommend this to a friend
Page 31, Showing 601-620 of 1,783 reviews
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