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 )

Total Price
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1580 Ratings
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Reviews
  • Tyler

    > 3 day

    Fan only spins after 340W of power draw so in general, the fan wont spin and the unit is silent. 10 year warranty is a great touch too.

  • Guillaume T.

    > 3 day

    A very solid psu, 100% would buy again , 100% recomend

  • Fadzai

    > 3 day

    Bought in January 2020, 6 months later with no issues i am very happy.

  • Kevin

    > 3 day

    Bought the 850 and 750w. As reviews indicate, these units run smooth and without issues. Will stick with Corsair for sure

  • Marc Lamarche

    > 3 day

    very quiet, good output, no complaints

  • Cavan Lee Sears

    > 3 day

    The product is fine, but do not purchase from this item from GREZ LLC, they will charge you more than double the average price and their returns service is the worst Ive ever experienced.

  • Neo

    > 3 day

    Low noise level. Fully modular. easy to install and fits perfectly in the Corsair 4000d airflow case

  • dave

    > 3 day

    works perfect!

  • Cheyanne Jackson

    10-06-2025

    Simply put amazing reliable product by Corsair. Which is no surprise but it works with no difficulties.

  • AjaLuck

    > 3 day

    its good

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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