CORSAIR RM850x Fully Modular ATX Power Supply – 80 PLUS Gold – Low-Noise Fan – Zero RPM – Black

$149.95

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Price: $149.95
(as of Dec 18, 2024 17:28:57 UTC – Details)


The product is multiple voltage compatible, that voltage arrange is 100-240V.
Fully Modular: Only connect the cables your system needs, making clean and tidy builds easier.
135mm Magnetic Levitation Fan: Utilizes a magnetic levitation bearing and custom engineered rotors for high performance, low noise, and superior reliability.
EPS12V Connector: For wide compatibility with modern graphics cards and motherboards.
100% All Japanese 105°C Capacitors: Premium internal components ensure unwavering power delivery and long-term reliability.
Modern Standby Compatible: Extremely fast wake-from-sleep times and better low-load efficiency.
80 PLUS Gold Certified: High efficiency operation for lower power consumption, less noise, and cooler temperatures.

Customers say

Customers find the system power device functional and quiet. They appreciate its quality, describing it as a top-tier power supply that offers stable power. Many find it easy to install, well-built, and good value for money. However, opinions vary regarding the cable quality.

AI-generated from the text of customer reviews

10 reviews for CORSAIR RM850x Fully Modular ATX Power Supply – 80 PLUS Gold – Low-Noise Fan – Zero RPM – Black

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  1. Smokyspeedo69

    Works great, quiet and reliable
    I needed new power unit for my pc and this one was a good price for the wattage and it fits inside my case. It’s got plenty of power and wattage to support anything and runs really quite, and it was easy to install and came with all the cables needed to hook everything back up. I would recommend this particular unit to anyone and the also the brand as well. It’s quality is really good and run any pc for years to come.

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  2. Tanner Henry

    Unleash Power and Silence: Corsair RM850x (2021) Power Supply Review
    I recently purchased the Corsair RM850x (2021) Fully Modular ATX Power Supply, and I must say, I am extremely impressed with its performance and features. Corsair has always been known for delivering high-quality power supplies, and the RM850x is no exception. Here’s my review of this remarkable power supply.First and foremost, the efficiency of the RM850x is outstanding. With its 80 PLUS Gold certification, it delivers excellent power efficiency, ensuring that my system consumes less energy and runs cooler. This not only helps in reducing electricity bills but also contributes to the overall longevity and reliability of my system.The fully modular design of the RM850x is a game-changer. It allows for easy cable management, as I can connect only the cables I need and keep the rest neatly stored away. This not only enhances the aesthetics of my build but also improves airflow within the case. The modular design also makes installation a breeze, as I can effortlessly connect the required cables without any clutter or hassle.One of the standout features of this power supply is its low-noise fan. The fan operates silently under regular loads, and I barely notice its presence. It only kicks in when the system is under heavy load, and even then, the noise levels are impressively low. The Zero RPM fan mode is particularly noteworthy, as it ensures complete silence during idle or low-power usage scenarios. This is a great feature for those who prefer a quiet computing experience.The build quality of the RM850x is top-notch. The unit feels solid and durable, and the black finish gives it a sleek and premium look. The cables provided are of high quality and have a premium feel as well. The power supply comes with all the necessary protections, including over-voltage, under-voltage, over-power, over-temperature, and short-circuit protection, ensuring the safety of my components.In terms of power delivery, the RM850x handles my system with ease. It provides ample power for my high-end components, including a demanding CPU and a high-performance graphics card. The voltage regulation is excellent, and I have not encountered any stability issues or power-related problems since installing this power supply.One minor drawback of the RM850x is its size. It’s a bit larger than some other power supplies on the market, so it might not fit into smaller PC cases. However, in most standard ATX cases, this should not be an issue.Overall, the Corsair RM850x (2021) Fully Modular ATX Power Supply is an exceptional product that delivers on all fronts. Its efficiency, modular design, low-noise fan, and solid build quality make it a reliable choice for any PC enthusiast or gamer. With its impressive performance and thoughtful features, the RM850x is definitely worth the investment for those looking for a high-quality power supply to power their systems.I highly recommend the Corsair RM850x to anyone in need of a powerful, efficient, and silent power supply for their PC build. Corsair has once again raised the bar with this outstanding product.

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  3. wje

    Good price, easy install, works great
    I got this to upgrade my Alienware R11. Fits perfectly, works fine. It comes with a LOT of cables, and not only those, but tie-wraps, wire looms, even color-matched mounting screws. No instructions, but they aren’t necessary. The ATX spec connectors can’t be plugged into the wrong things in general, they’re all keyed differently. My only gripes, the cables of course come in a standard length, too long for any of my connections. But, that’s what the tie-wraps are for. I wish the SATA power cables included some right-angle ones, cover on the R11 is a very tight fit if you have one of the extra disk bays populated. One final thing, there’s a knob on the back of the supply with no description of what it does. Well, it sets the minimum fan speed. In the ‘off’ position, it enables zero-RPM automatic mode, which is what should be used. Otherwise, it sets an always-running minimum speed that can increase automatically.

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  4. Quoleo

    Solid Power Supply for My Gaming Rig – Quiet, Reliable, and Powerful!
    I recently installed the CORSAIR RM750x Fully Modular ATX Power Supply in my gaming machine, and I have to say, I’m pretty impressed. First off, the fully modular design is a game-changer – no more cables cluttering up my case. I only used the cables I needed, making cable management a breeze.The 750W is more than enough to power my setup, and it runs super quietly – I barely hear a thing, even during intense gaming sessions. It’s also got plenty of headroom for future upgrades, which is great.Overall, the RM750x feels like a top-tier power supply – solid, reliable, and built to handle the demands of a high-performance gaming machine. If you’re building a gaming rig and want something that won’t disappoint, this is the one to go for. Just plug it in, sit back, and let the power flow

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  5. plemans

    Works great
    My 600w power supply was starting to struggle with running a gpu and a raid array of 5 hard drives plus several ssd’s. With this installed, everything is back running decent and I can put a mild overclock on my pc now without worrying about pushing it over the power limit. An excellent supply and comes with plenty of connectors.

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  6. Michael

    I put this in a brand new build. I like all the cords they give and that it is modular. I didnt need all the cables, so I was able to put them aside for a time when I may need them. No noise, fit well in my tower, and it does everything I would expect from a power supply unit. If it lasts five or more years, I will feel I got my money worth. I have had no problems with it, so as of now, after 6 months of 24/7 use, I am happy and do recommend this product, even though it is pricy.

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  7. Peterson M.

    Top10.

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  8. Ricardo Zamora

    Muy buena fuente de poder, fácil de instalar y para el gabinete que tengo quedo perfecto en tamaño, cables que se notan de muy buena calidad 10/10, el ruido es poco y casi ni se nota

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  9. Huseyin Ahmed

    I liked

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  10. Kraken01

    Work fine

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    CORSAIR RM850x Fully Modular ATX Power Supply – 80 PLUS Gold – Low-Noise Fan – Zero RPM – Black
    CORSAIR RM850x Fully Modular ATX Power Supply – 80 PLUS Gold – Low-Noise Fan – Zero RPM – Black

    $149.95

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