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

(1688 reviews)

Price
$86.99

Quantity
(10000 available )

Total Price
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1580 Ratings
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Reviews
  • Rob S

    > 3 day

    Very easy to setup and install.

  • Lee Macklin

    > 3 day

    What can I say? This is a top quality PSU - it comes with a very detailed manual and tidy packaging for all the cables.

  • Roger

    > 3 day

    My PSU worked great for almost 3 years. Without warning, it died. I requested an RMA through Corsair and weeks later, all I get are excuses of why Corsair isnt sending me a replacement. Until it failed, the power supply worked great. However, the warranty and customer service definitely leaves me frustrated and stuck. Corsairs support has no interest in resolving the RMA it seems. If you expect that this will outlast your new PC build, go for it. But, if you have any concerns that you may have to have this replaced, I would definitely recommend caution.

  • F

    > 3 day

    Could be a tad cheaper, other than that its great in terms of noise and ease of installation

  • Lucas

    31-03-2025

    This is the one to buy for a new build!

  • Rafael

    > 3 day

    i7 CPU, 6800XT, et al, no problems

  • Brandon Ehli

    > 3 day

    Easy to install, makes no noise whatsoever under load, and is very energy efficient.

  • Shane

    > 3 day

    Received it a week ago, built my whole mining rig to find out it couldnt even power my motherboard, instead it did the opposite, killing my motherboard any having me to purchase another. Im just thankful it burned the motherboard and not the rtx 3060 ti.

  • Nettie Schuster

    04-04-2025

    I havent tried yet, because it still sealed and I think corsair are the best when it comes to Quality, warranty and Customer support, beside this power supply has 10 years warranty

  • victor arteaga

    > 3 day

    fuente muy silenciosa, y de gran potencia

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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