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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213
Reviews
  • David

    > 3 day

    Spent the day building my PC Cable Management all that good stuff. Went to power it on and nothing. Double check to make sure everything was corrected properly still wasnt powering on. Decided to connect the PSU to my old computer wouldnt work either. They sent me a dead power supply.

  • Jerry Seaton

    > 3 day

    After constant issues with EVGA PSU I took a chance and I’m glad I did.

  • Jacob Lewis

    > 3 day

    Easy to install, havent had any problems with it. Id recommend asiahorse cable extensions if you really care about aesthetics, however the stock black sleeved cables are much better than the ketchup and mustard youd see elsewhere.

  • Robert Remington

    Greater than one week

    Dead on arrival. Very disappointed. Hopefully the return will be easy, right?

  • Chattawan Knowles

    Greater than one week

    Box was original but the psu inside wasnt what was advertised. I didnt get a rm850x but got some random 700w psu instead please fix this! I am not happy with my purchase.

  • Jaiant yon son

    > 3 day

    Works very very well with a AMD Ryzen 5 3600, and a Radeon rx 5700 xt Graphics card, love it so far

  • Dr. Karlie Rolfson Sr.

    > 3 day

    As always, Corsair delivers a high quality, sturdy product, that is easily installed and is great for any conputer build you could want.

  • Prof. Rozella Reinger IV

    > 3 day

    I replaced the PSU in my computer to get it to a Gold rating minimum. I barely can hear this thing working and my games all run smoothly. I was recommended this brand by a friend and I have to say I am impressed.

  • iEspresso

    Greater than one week

    This is a fantastic fully modular power supply with great features if you can actually find one at retail price around $120. I have yet to have the fan turn on since I put it in a build that only draws about 500W. However, for $300 it would be a 1-2 star value for money, and probably a 3-star overall rating since its 80+ Gold, and you should be getting over 1000W and 80+ titanium for $300.

  • RAFAEL VÁZQUEZ MÁRQUEZ

    04-06-2025

    LA fuente de poder si es silenciosa, los conectores modulares ayudan a que no se se amontonen los cables, le doy 4 estrellas porque los cables conectores en las partes de inicio y termino son rígidos

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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