Corsair RMX White Series (2018), RM850x, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply - White, 80 PLUS Gold (CP-9020188-NA)

(916 Reviews)

Price
$173.40

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Quantity
(30000 available )

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631 Ratings
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Reviews
  • Kevin

    > 3 day

    Well built and comes with plenty of cables for all sorts of configurations. Only mild annoyance is that it doesnt include a bag to store the spare cables and screws, which a lot of PSUs at that price point does. The fan does not even run when the total system load is under ~300 watts which is nice and helps keep the computer quiet. A great buy!

  • Dortha Emard

    > 3 day

    Not my first RM650

  • Rowan

    06-06-2025

    I didnt realize the importance of a good PSU until very recently when I discovered that the crashes I was experiencing daily (blue screen) were the result of power hiccups because the PSU in my PC was notirious for crashes.

  • louie

    > 3 day

    My buddy asked me to why i choose a fully modular PSU if my case has a shroud. I told him, i get a lot for its price so why not. Getting to the point, this PSU is beefy and well built. Id suggest getting this so that youll still have wiggle room in the future if you wanna upgrade. The fan doesnt even turn on if youre not hitting the threshold.

  • Arvin

    > 3 day

    It’s powerful and very silent

  • Jordin A.

    > 3 day

    Es muy buena fuente lo único que le pediría es que la señalización de los cables fuese más intuitiva

  • A.

    Greater than one week

    easy to install, very nice and quiet!

  • Daniel

    Greater than one week

    Great pc power source super quiet and for the price its great corsair owning the market for this sort of stuff, came with so many cords for extras and adapters to hook up rbg lights even FANTASTIC

  • Notes

    09-06-2025

    Nothing to complain about here. This PSU is as good as it gets: silent and perfect for AMD 2700 Ryzen and Nvidia RTX 2080.

  • Jay

    > 3 day

    Bought this Oct.24, 2020 and installed it as soon as it arrived a few days later. Today (May 24, 2021) it died on me. What a piece of junk! I will never buy a Corsair item ever again!

PRISTINE WHITE CASING Now available in an elegant white finish to make your build truly stand out. TUNED FOR LOW NOISE OPERATION A specially set fan curve ensures that, even at full load, fan noise is kept to a minimum. 80 PLUS GOLD CERTIFIED The RMx White can deliver power with over 90% efficiency, lowering energy consumption, noise, temperatures, and your power bill. 100% ALL JAPANESE CAPACITORS By using high-end electrolytic capacitors, the RM850x delivers the unwavering power and long-term reliability you"ve come to expect from a CORSAIR power supply. ZERO RPM FAN MODE At low and medium loads the RM850x"s cooling fan doesn"t spin until you need it, for near-silent operation. FULLY MODULAR, FLAT CABLES Flexible fully modular, flat white cables mean that you only connect the cables your system needs, making clean and tidy builds easier. TEN-YEAR WARRANTY CORSAIR offers a ten-year warranty on all RMx series power supplies, your guarantee of reliable operation that will last across several system builds. If you run into any problems during the installation or use of an RMx power supply, CORSAIR global customer support is ready to help. Manufacturer: Corsair. Manufacturer Part Number: CP-9020188-NA. Brand Name: Corsair. Product Series: RMx. Product Model: RM850x. Product Name: RMx White Series RM850x - 850 Watt 80 PLUS Gold Certified Fully Modular PSU. Product Type: Power Supply. [Technical Information] Specification Compliance: ATX12V/EPS12V. Efficiency: 90%. Number of Fans: 1. Modular: Yes. [Power Description] Number of +12V Rails: 1. Input Voltage: 120 V AC. 230 V AC. Output Voltage: 12 V DC @ 70.80 A. 3.3 V DC @ 25 A. 5 V DC @ 25 A. 5 V DC @ 3 A. 12 V DC @ 800 mA. Output Power: 850 W. [Physical Characteristics] Form Factor: Internal. Height: 3.4". Width: 5.9". Depth: 5.9". [Miscellaneous] Package Contents: RMx White Series RM850x - 85

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