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  • Corsair RM850x is a black and silver computer power supply unit. It is designed to provide power to a motherboard and its components, including SATA/PATA drives and PCIe slots. The unit has a 12V output and is capable of delivering up to 850 watts of power. The Corsair RM850x is a reliable and high-quality power supply for a wide range of computer systems.
  • Corsair RMx Series Power Supplies: Our Best-Selling Power Supplies, Updated. Fully Modular, Low Noise, and Cybenetics Gold-Certified for Reliable Power.
  • ATX 3.1 Certified: ATX 3.1 and PCle 5.1 compliant, ideal for delivering dependable power to current and future top-performing PCs. 100% Japanese 105C Electrolytic Capacitors. ATX 3.1 PCle 5.1 with 12V-2x6.
  • Fully Modular Connectors: SATA/PATA SATA PATA OSI338v0 Connect only what you need using sleek embossed cables with low-profile combs to make installations a breeze. 1x CPU/PCIe / CPU PCIe 12V-2x6 Native 12V-2x6 GPU cable included for use with modern graphics cards such as the NVIDIA GeForce RTX 40 Series.
  • The image features a 140mm low-noise fan with a fluid dynamic bearing and magnetic dome structure that keeps noise to a minimum. The fan also has a Zero RPM mode, which eliminates fan noise completely at low to medium loads.
  • Get more air through the PSU or override the Zero RPM Mode and low-noise profile of the RMx series with our manual fan override knob, increasing fan speed and airflow.
  • FULLY MODULAR CABLING Connect only the cables you need. 1x ATX (24-pin) 2x ATX 12V (4+4-pin) 3x PCIe (6+2-pin) 1x 12V-2x6 (12+4-pin) 2x 4 SATA (Straight) 1x 3 PATA (4-pin)
  • WORLD-CLASS 24/7 CUSTOMER SUPPORT O COUNTRY LOCAL CORSAIR 10 GUARANTED REGULATIONS YEARS ARE APPLICABLE WORLD-CLASS SUPPORT Our award-winning service means you can enjoy your gear worry-free.
  • CORSAIR X RM850x
  • CORSAIR RM850x
  • The text on the image reads "Corsair RM850x / CPU PCle a CUNDIGAT - NIONTO HYSOO SATA/PATA / SATA, AIL PATA nv ONLY MOTHERBOARD 12V-2x6."
  • Alt View 21. CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black.
  • Alt View 22. CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black.
  • Alt View 23. CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black.
  • The text on the image reads: "MOTHERBOARD 12V-2x6 CPU PU/ PCle / SATA/PATA / PATA DESIGNED FOR USE WITH GENUINE CORSAIR TYPE 4 CABLE SETS ONLY."
  • Corsair RM850x
  • The image shows a variety of Corsair products, including a box and several cords. There are a total of 12 cords, with some of them being black and white. The cords are arranged in a row, and they are all connected to a single box. The box is placed in the middle of the scene, surrounded by the cords. The arrangement suggests that these cords are part of a larger electronic system or setup.

CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

Model:
CP-9020270-NA
SKU:
11232389
Highly rated by customers for:
$204.46

Customer reviews

Rating 4.8 out of 5 stars with 348 reviews

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  • Value

    Rating 4.6 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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95%would recommend to a friend
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 16 Showing 301-320 of 348 reviews

  • Good PSU

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

    Came with everything I need! Hasn’t given me any problems yet and build quality felt nice

    This review is from CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • Good Purchase

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

    I have had no issues with this power supply. It was easy to install and everything was in the package.

    This review is from CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • Review

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

    Great psu would recommend to anyone! I love the fan feature

    This review is from CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • Works but loud buzzing

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

    Works fine as far as I know/can tell, does randomly emit a loud buzzing noise thay is incredibly annoying and somewhat concerning. Ive used corsair psu's my whole life, and this was the first Ive had with this issue.

    This review is from CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

    No, I would not recommend this to a friend

  • Beast of a pcu

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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.

    This is a beast of a product. Turned out I didn't need it so I made a return. I will probably be back for it if I get a 4090!

    This review is from CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • Very Good PSU

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

    Great PSU, powers my PC very good. Corsair Very good.

    This review is from CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • Corsair 850x

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

    Its the GOAT, for mid tear rigs cant go wrong for the price and power.

    This review is from CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • For the price, it does it's job.

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

    For it's price. It does it job. I wasn't expecting to need CableMod items when getting this. But that's for another time. Just FYI. Their not molded cables, or sleeved. Their loose, good for cable mod bits like combs. So be mindful.

    This review is from CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

    No, I would not recommend this to a friend

  • Easy Nice PSU

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

    Easy to set up, has all the cables I needed. Great budget PSU

    This review is from CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • 5/5

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

    Product works beautifully nice features. Could have included more zipties and wire holders.

    This review is from CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • So far so good

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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 power supply with lots of cables to hook up or not..

    This review is from CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • Solid Power Supply From Corsair

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

    Absolutely amazing power supply does exactly what it's meant to do. Good futureproofing.

    This review is from CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • Good quality

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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 for the price I recommend for next time

    This review is from CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • Happy customer

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

    Can’t go wrong with the RMx series from Corsair. High quality PSU.

    This review is from CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • 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.

    Nicely sleeved cables, very quiet under load and efficient

    This review is from CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • Pc 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 well, glad they had it in stock and was able get my pc up and running

    This review is from CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • Good, but Overheating Issue Less than Year

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

    Good PSU, but recently had issue with USB shutting down. Noticed that the PSU was way hotong than it should be. Got it back in April issues started after 5 months. 6 months it happened more often.

    This review is from CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • Efficient and Affordable

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

    Exactly what I needed to build a solid budget gaming PC!

    This review is from CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • Perfect product

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

    Great PSU, comes with all attachments, highly recommend

    This review is from CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • A Japanese product, no doubt it will last!

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

    Better get this if you’re building new pc that has many fans and higher specs!

    This review is from CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend
Page 16, Showing 301-320 of 348 reviews
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