Corsair RMX Series, RM850x, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply (Low Noise, Zero RPM Fan Mode, 105°C Capacitors, Fully Modular Cables, Compact Size) Black

(0 Reviews)

Price
$121.79

Quantity
(10000 available )

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1580 Ratings
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Reviews
  • Melanie Banwart

    Greater than one week

    It’s a power supply, it’s from Corsair so you know it’s going to last a while and comes with a 10 year warranty, sure it’s expensive but power supplies are not a thing you should cheap out on.

  • Dewy

    > 3 day

    works jest like it should

  • Giovanny Duarte

    Greater than one week

    la calidad de los cables con los que viene es muy buena, y se acoplo perfecto en mi chasis XPG Defender Pro

  • Micah C.

    > 3 day

    My old supply still works but it made an unfortunate noise at the fan so I purchased this one and I like that the fan operates only when needed because now with speedfan my pc is practically 0 db now when not using it for cpu/gpu intensive tasks. The 750x does make a switch noise when you turn it on but apparently that is normal though my old supply didnt do that. I dont need 750w but its around the right number 650w would work to.

  • Tech Gere

    > 3 day

    Modular cables are awesome, virtually no noise comes from this power supply. If your workload creeps up over 800 watts this until becomes inefficient. Always size your power supply correctly.

  • Michael

    09-06-2025

    Clean install

  • Alan

    > 3 day

    This is my first modular PS, and it makes for a very neat installation.

  • Andrés Felipe García Moreno

    > 3 day

    Quede satisfescho con la compra.

  • Jordan

    Greater than one week

    Bought this power supply July 2020 and it failed, just completely stopped working, 10 months later. Do not buy.

  • Faith Hughes

    > 3 day

    This unit worked for 30 minutes and then shut down. No load was ever placed on it. Simply installing windows and setting up programs. All of a sudden the machine shut off, and never turned on again. PSU just clicks and shuts off. Installed an older known good PSU and the machine is working again. Every corsair product I have ever purchased over the years has failed. This is yet another product I purchased that will ultimately be my last. I will never, EVER order another corsair product after this.

Corsair RM850x series power supplies are built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC. Using only Japanese 105 Degree C capacitors, users can depend on an RM850x PSUs" long life and reliability, backed by a ten year warranty. Zero RPM Mode means an RM850x series PSU is virtually silent at low and medium loads, and even at maximum power, a low noise fan ensures quiet operation. Fully modular cables make PC builds and upgrades easy, as you only need to install the cables your system requires. Quiet, efficient and dependable, an RM850x PSU has everything you need to power your high performance PC for years to come.

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