Corsair RMX White Series (2018), RM850x, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply - White, 80 PLUS Gold (CP-9020188-NA)
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Wally T
Greater than one weekOrdered one to fit into my system to use my new 3080 and I (foolishly) installed it before testing it. Turned out it wouldnt power on at all. Tried replacing it and the replacement had the same issue.
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Daman
Greater than one weekI’ve been using my power supply for a little over 1 month and it’s been working awesome!
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Adrian in Phoenix
> 3 dayIm using this power supply with an MSI Z490-A Pro motherboard and an Intel Core i7 processor. I had previously assembled this PC with a 2 year old power supply, but it couldnt supply the CPU power required.
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Cody
07-04-2025Very easy to install and i see no cons with this power supply. I reccomend.
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Jarrett
Greater than one weekI love Corsair. 10/10
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My thoughts
> 3 dayI cant hear it at all, I imagine it can be decently quiet at full load too.
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Collin
> 3 dayVery nice power supply highly recommended very quiet.
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Fredy Restrepo
> 3 dayThe white aesthetics match pretty good in my black and white setup. Does its job well. The cables are long enough to manage them properly in a big case (Thermaltake level 10 GT). Cables look good and feel durable. Full modular for a neat cable management and better airflow.
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Scott
Greater than one weekPower supply was slightly longer than one removed but fit in slot nicely, only reason i didnt give 5 stars was the lack of proper instructions for installation, plugged my new video card in what was supposed to be a peripheral port & found it was for cpu so first time operated computer tried to boot from video card, is otherwise very quiet & operates well
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Haylie Lynch PhD
> 3 dayThe unit is everything it promises to be, Ive been using this power supply for a year and havent had any problems with it.
