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

(1010 Reviews)

Price
$121.79

Quantity
(10000 available )

Total Price
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1580 Ratings
1159
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48
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213
Reviews
  • Jay

    > 3 day

    I wish they included more pcie cables but its good

  • Mary

    > 3 day

    I was hesitant from the reviews but now I can say I’m happy I went ahead and bought this.

  • Sash

    05-06-2025

    Wires are very-very hard, there is no elasticity at all, so its very hard to install pin connectors in place so if you want to have good cable management then consider buying other PSU, or separate connectors.

  • FishslayinDad

    > 3 day

    Not much to dislike! Very affordable and great quality!

  • White&Nerdy

    > 3 day

    It comes with all the cables you need for your build and runs quiet which is always good! Definitely recommend!

  • Fiscally Frustrated

    > 3 day

    Assembled a new system, did cable management and went to test the pc. 0 power. Tried different cables and different outlets still 0 power. Amazon is sending a replacement but follow the advice skip this psu.

  • LUNCHBOX

    > 3 day

    RUNS MY RTX 3090 ,RYZEN 5 3600 ,B450 TOMAHAWK AND MY M.2 2TB AND 4TB HDD NO PROBLEM AND HAS 80+ AND RUNS NEAR SILENT WHEN GAMING AND TOTALLY SILENT WHEN DOING ANYTHING ELSE! 10/10!!!

  • Tracy Verlin

    > 3 day

    Works perfect. Great price and better warranty than my 1200X that went out all the sudden. I could have had a new one if I had kept my receipt for warranty. So, that was my fault. This time, I have my Amazon receipt right here. Corsair did try to help me locate the receipt for the old one. But this one is working so perfect. I think I like it better.

  • Corvin

    > 3 day

    Im happy with this purchase, it was overdue, and going for this PSU appears to have been the right choice.

  • blaz

    06-06-2025

    noice

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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