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Corsair

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

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Availability: Only 1 left in stock, order soon!
Fulfilled by Superb Cart LLC
Arrives Mar 14 – Mar 15
Order within 15 hours and 32 minutes
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Size: RM850X


Pattern: Power Supply


Features

  • 80 Plus Gold certified for lower power consumption, less noise and cooler temperatures
  • For maximum cooling surface area and performance
  • Zero RPM fan mode for near silent operation at low to medium loads; Continuous output rated temperature: 50C
  • 100 percent industrial grade, 105C rated Japanese capacitors ensure unwavering power and reliability
  • Fully modular cables, so you only connect the cables your system needs. Fan size-5.3 inches. iCUE Compatibility-No. Modern Standby Compatible- No

Description

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.

Model Name: RMx


Brand: Corsair


Compatible Devices: Personal Computer


Connector Type: ATX, EPS


Output Wattage: 850


Form Factor: ATX12V


Wattage: 850 watts


Cooling Method: Air


Item dimensions L x W x H: 6.3 x 5.91 x 3.39 inches


Item Weight: 3.7 Pounds


Brand: ‎Corsair


Series: ‎RMx


Item model number: ‎CP-9020180-NA


Item Weight: ‎3.66 pounds


Product Dimensions: ‎6.3 x 5.91 x 3.39 inches


Item Dimensions LxWxH: ‎6.3 x 5.91 x 3.39 inches


Color: ‎80 PLUS Gold


Voltage: ‎120 Volts


Manufacturer: ‎CORSAIR


Is Discontinued By Manufacturer: ‎No


Date First Available: ‎February 10, 2018


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Mar 14 – Mar 15

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Never skimp on a PSU.
Size: RM750x Pattern: Power Supply
You could have the highest end GPU, the top of the line CPU, a motherboard for the ages, and all the hard drives you will ever need, but all of that won't do you a lick of good if you don't have power going to it. That said, not all PSUs are built the same and if you cut corners by going for a PSU from an unknown company or knockoff, well, you'll probably gonna have a bad time. I got this PSU because it was the best balance between quality and price I could find. The RM750x 80+ Gold Certified specifically. As a general rule of thumb, you want a PSU with twice the watt capacity your entire build uses, both for futureproofing and to make sure you have the power you need. For most people, 550 watts will be more than enough, but the 750 watts I have will allow me some wiggle room for future upgrades. The watt capacity you want to use will depend on your build. Most people won't ever use anything higher than 1000 watts, but if you have a high end build, for example a Threadripper CPU and one or two 2080 Tis, get as high a capacity as you can afford. Energy efficiency isn't as important on a desktop as it is on a laptop (because battery), but it can make a difference for your electrical bill. Not a huge difference, but a difference nontheless. For most people, I'd recommend 80+ Gold as it's a good balance, though if you have the money you could splurge for a Platinum or even Titanium. If you want. I'd also recommend going for a fully modular PSU whenever possible, which this one is. It's better for cable management more than anything else, which aside from air flow, also impacts organization when you have to sift through cables. There really isn't much else to say, if you don't want to go for EVGA for whatever reason, Corsair is a good alternative. ... show more
Reviewed in the United States on July 19, 2019 by ZhaoZoharEX
    • It's just good.
Size: RM750x Pattern: Power Supply
A good PSU is one that does its job and goes unnoticed and that's exactly what this PSU does. I upgraded from a 500 watt evga bronze PSU after my 8700k upgrade and while the 500w evga was probably enough, I wanted something modular for cleaner cable management and the all black cables of this PSU were also a huge plus as they're much nicer looking than the mustard and ketchup colored ones of my old one. My old PSU was somewhere around $30 when I got it a few years ago and with this one being at around $100 dollars you can see the difference in quality right out of the box, it just has a high end look and feel to it with the packaging and everything. I can't attest to the actual quality of the internals but the general consensus around the internet is that you do get what you paid for in terms of the components that this PSU is made of. I read somewhere that the older RM series used high quality capacitors for the main caps but lower quality secondary caps, while the newer RMx line uses the same high quality capacitors all throughout. I guess this PSU also comes with a 10 year warranty, which is reassuring as you usually don't see warranties span that much time and most people probably usually don't keep the same computer hardware that long anyway, though I definitely think that this PSU will be able to last through several builds. As for the 0db fan, I don't think my old PSU had that feature, but honestly I could never hear the PSU fan over the case fans at low load, and at high load my GPU fan would drown out any other noise. ... show more
Reviewed in the United States on August 17, 2018 by Mike P
    • Great upgrade for my Plex server!
Size: RM650x Pattern: Power Supply
I purchased this PSU as an upgrade from the factory unit in my Dell Optiplex 7010 MT. If you are looking to put one of these in this same type of PC, a word of warning: this PSU barely fits. I thought I would actually have to return it, but I was able to squeeze it in while sliding the side panel latch forward. Luckily, the latch still moves back enough to allow the side panel to stay closed, but the latch does rest against the PSU. Aside from that, I really like this PSU. The cables are a bit stiff, as some have stated, but I found that they hold bends really well because of that. This is definitely suited for a larger case, given the size of the unit and the actual cables. It was a tight fit to route the cables around some of the hard drives in my mid tower. At normal load, the fan doesn't run at all. Until I put a GPU into the PC, I don't think I will ever see the fan spin up. One of the reasons I opted for this unit is because of how many SATA cables it has. If you are building a media server, it's a great option since you can attach plenty of drives to it. Overall, I would definitely recommend this PSU. ... show more
Reviewed in the United States on February 11, 2022 by Adam
    • Works GREAT
Size: RM750x Pattern: Power Supply
My previous power supply was making noise, so I was afraid it was about to go. Trust me, you don't want that to happen. I did some research and found that my original it was a very low-quality factory install and that I should replace it before considering other upgrades, so I ordered this one after reading great reviews. Before, my computer had a somewhat loud and consistent hum that could be easily heard a room away after I stressed the PC (like after playing VR apps for an hour or so). After installing this unit, I can barely hear it even after a long day of multiple VR applications. Some friendly advice - when you're ready to install this, take off your PC cover and use your smartphone to take pictures and videos of your current setup. What I mean by that is take pictures or a video of where your power cables currently go - trace them right from the back of your current power supply. Take LOTS of pics because you can always delete them when you're done. If you do that, you'll have a video or pics for reference when you're trying to install the new one. And even if you don't get this particular model, DEFINITELY splurge and get a fully modular unit. Considering the extra few dollars you'll spend, you'll love how the cables are much easier to maintain. ... show more
Reviewed in the United States on May 4, 2020 by Jenn M

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