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

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$242.76
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(30000 available )
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631 Ratings
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Reviews

  • Chris

    08-04-2025

    Consistent and reliable power delivery for a high-demand system. The white color is a necessity for certain aesthetics ;)

  • Scott

    > 3 day

    Power supply was slightly longer than one removed but fit in slot nicely, only reason i didnt give 5 stars was the lack of proper instructions for installation, plugged my new video card in what was supposed to be a peripheral port & found it was for cpu so first time operated computer tried to boot from video card, is otherwise very quiet & operates well

  • Jarred

    > 3 day

    Badass

  • Rock Perreault

    > 3 day

    Does the job, will update if it fails later on

  • Kausik

    > 3 day

    I bought on June 12 till now it’s fine no problem best budget buy!

  • James

    > 3 day

    Great when paired with a lower end Ryzen chip. The cables are lower quality but work well. They dont snap easily into the PSU so push hard and double check. For boards with 6 pin power connector, the 12 pin cable on this is designed to split in 2, which isnt apparent at first.

  • Roy

    Greater than one week

    This was what I needed for my gaming PC. Easy to install and it is very silent too!

  • Nate Moorman

    > 3 day

    This is the only power supply I could find that would not randomly shut down when using an RTX3080 due to its power spikes. Corsair is seriously where its at for PSUs. And its WHITE! And so are the cables (not the connectors)! AWESOME!

  • sam

    > 3 day

    Its a good psu, but after a month if using it my PC will now randomly just shut off

  • Bobble head 2451

    > 3 day

    Like some other reviews on here my PSU arrived DOA. Not even a glimmer of power to the motherboard.

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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