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)

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$121.79

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(10000 available )

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1580 Ratings
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Reviews
  • Izzy

    Greater than one week

    The worst! Will never buy Corsair products again.

  • RedAnt

    > 3 day

    Great choice for my do it all AMD Ryzen 3600 x570 build. I run ZFS on Linux to all sizes of HD, SSD and now M2. Steam for games on an Nvidia 1660. Boot options for Win10, Fedora and Ubuntu, plus libvert and docker containers from Linux. This system is in my bedroom and far quieter than the older Dell it replaced. All fans hardly ever run, not sure if the power supply can has run more than the few seconds it does every reboot. The power supply can probably less than a minute runtime total after three months of powered on idle and active use.

  • Irina Maroa

    > 3 day

    I have read sooo many people complaining about the quality of the product but so far I havent had any issues, it works just as I expected. Will update this review if something changes, but while that doesnt happen. It is great

  • Gabriel

    > 3 day

    If you dont run a corsair you run a evga. You want a quiet and reliable unit under stress well buy a Corsair. you wont regret spending the money. Dont buy a cheap rosewill some stuff you dont want to cut corner.

  • Quentan Eble

    > 3 day

    The installation experience was horrendous in my Corsair 4000d case, the cables were colliding with my other cables and wouldnt stay where I wanted them to. It works as a power supply, and installation was easy except for that cable issue.

  • Mike

    > 3 day

    I’m On corsair has best PSU. This modular is by at best in its class.

  • James

    Greater than one week

    Overall a great PSU. I gave it 3 stars for Easy to Install and Ill explain. Full Modular PSUs should be able to just unplug one PSU, swap in a new PSU, and plug in. With out the need to swap out all the power cables. However this is not a truth. The headers will match, meaning they will plug into where they are supposed to plug into. But, the wiring will not always match. So lets say on your current PSU for cable A. The number 1 wire on your current power supply is negative. But on your new power supply the number 1 wire could be positive. This can cause your components to either not turn on at all or in worse case scenarios fry outright. If youre new to using or swapping out a fully modular PSU for a new fully modular PSU you will need to remove all the power cables and use the cables that come with the new unit.

  • Oscar

    > 3 day

    Siempre compro , corsair para los power Suply , porque es lo mejor en calidad y presió

  • Jorge Meixueiro

    Greater than one week

    excelente producto el empaque esta muy bien planeado puedes guardar las conexiones sobrantes, poco ruido muy recomendada

  • Rf

    12-06-2025

    Its a PSU. Its Modular. Its 80+ Gold. Its a reliable brand.

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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