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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:
12313844
Highly rated by customers for:
$205.14

Customer reviews

Rating 4.8 out of 5 stars with 351 reviews

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Rating by feature

  • 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 18 Showing 341-351 of 351 reviews
  • Pros mentioned:
    Cable management

    Good Quality Good Reliability

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

    Good quality power supply. The modular nature of it helps with keeping cabling clean, as you only have in there exactly what you need. 850W is good for most setups still as well, but make sure you don't need more.

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

    I would recommend this to a friend

  • Corsair rm850x

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

    Have always used corsair products especially my power supply. Never have had any issues with corsair power supplies. Not very pricey and does the job. 10/10.

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

    I would recommend this to a friend
  • Pros mentioned:
    Cable management

    Great PSU

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

    The RM850x power supply great. It was easy to install. It has great quality modular cables and is ready for the newer generation of GPUs with all required connectors. I am pairing it with an RTX 5080 and i5 13600k. If you're looking for a psu for an RTX 5090, id recommend going up to the 1000w variant. All in all, the RM850x power supply works great.

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

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Easy to install!

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

    This was my first time replacing a PSU. The labels and organized packaging made it very intuitive for me and it works great!

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

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Great, easy to use

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

    Easy to set up, works perfectly in my build. Definitely recommend if 850W is what you need for a computer!

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

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    excellent product

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

    I changed my old power supply and it was worth it, excellent product

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

    I would recommend this to a friend

  • Modular is the go to

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

    I never once used a modular power supply but this makes organizing in your case easier

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

    I would recommend this to a friend

  • SOLID PSU

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

    Great PSU. Works awesome with all new gen hardware. Would Highly Rec to anyone building a med/high range pc. I would absolutely trust this product. Don't pay attention to the one star review bashing this company for "price baiting." They took a picture of a 79.99 price tag that had a thermaltake psu price tag for a corsair product. Maybe that person should have read the tag before picking something up.

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

    I would recommend this to a friend

  • The granddaddy of Power Supply

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

    The best feature of this power supply is the modular cabling. You can add the exact amount of cables you need for your build with translated to less clutter inside the box, for a more appealing aesthetic

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

    I would recommend this to a friend

  • Best brands

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

    Love corsair products. Best Buy always has great products. looking forward to my 9070 xt build.

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

    I would recommend this to a friend

  • Growing and building

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

    Great price and great item met our expectations for the project at hand

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

    I would recommend this to a friend
Page 18, Showing 341-351 of 351 reviews
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