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Customer Ratings & Reviews

Your price for this item is $113.99
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The comparable value price is $119.99

Customer reviews

Rating 4.7 out of 5 stars with 186 reviews

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96%
would recommend
to a friend

Customers are saying

Customers consistently note the CX Series 850W Semi-Modular Power Supply's powerful performance, ease of installation, and quiet operation. Many appreciate its modular design, contributing to clean cable management and a simplified installation process. The power supply is also praised for its good price and sufficient cabling. While some found the unit larger than anticipated, the overwhelmingly positive feedback highlights its value and effectiveness.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 4 Showing 61-80 of 186 reviews
  • Rated 5 out of 5 stars

    Works well

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Really not a whole lot to say about a power supply... it works when I turn it on, every time. It has quality plugs, that plug into my motherboard, graphics cards, drives, etc. It does what it says it will do.

    I would recommend this to a friend
  • Pros mentioned:
    Price

    Rated 5 out of 5 stars

    Power Gaming at Its best

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The installation was very easy. All you have to do is connect what you need. It was a great price as well.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Pretty decent

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Wires were not wrapped together which I prefer makes installing easier and airflow better. But yeah came with plenty of zip ties so there is that

    I would recommend this to a friend
  • Pros mentioned:
    Performance

    Rated 5 out of 5 stars

    Exceptional PSU for gaming

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I recently purchased two EVGA 850 PSU and they were both DOA. My friend recommended corsair's 850 PSU, and it has been worth every penny. This semi-modular PSU is rated 80+ Gold, which ensures adequate and prompt power management. The modular design allows for almost every type of gaming or personal build. I would recommend this to anyone who plans on using a beefy computer and wants reliable power.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    It is OK!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    So far it is at best buy and they are trying to figure out what is wrong with it. It is brand new. Perhaps it was just a bad one, time will tell at this point

    I would recommend this to a friend
  • Pros mentioned:
    Modular, Power supply

    Rated 5 out of 5 stars

    Strong quiet psu

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Perfect psu for gaming etc. Modular so it's nice and neat.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Hasn't broken yet!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The product has held up rather well and served as a quiet and efficient replacement for my Rosewill 1000w PSU that pooped out on me after 5 years of use.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Great Modular Power Supply

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This power supply was great. It had modular plugs able to connect everything I needed in the PC.

    I would recommend this to a friend
  • Pros mentioned:
    Noise level, Power supply

    Rated 4 out of 5 stars

    All you need

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Although I probably won't need this much power but for the price and brand name, you can't beat it. Quiet and cool.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    New reliable high power needed!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This power supply from Corsair 850W is perfect to replace a bad one & adequately power my "MB" & all the peripherals in my tower!

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Great Power Supply

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I read so many reviews before buying the product to make sure it was right for my computer. It was great and works great too.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Great power supply!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I got this last minute as mine had died during a huge project and I must say it's even better than my old one. Came with a ton of optional hookups for every possible configuration, plus since you can pick and choose, installation was a breeze without that bulky octopus of wires! I def recommend this to anyone on the fence.

    I would recommend this to a friend
  • Pros mentioned:
    Power supply

    Rated 5 out of 5 stars

    It's a big power supply.

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It's a computer power supply. You don't care if it's pretty or sparkling you just want it to work. This one works. Walk past all the other power supplies in the store and grab the biggest one on the shelf. Do you really need the biggest powers supply? Probably not, but it's better to have too much than not enough.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    run quiet and so far so good

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I'm using this to power a very big rig, has 10 HDD, dedicated graphic card and K series Intel CPU and so far so good.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Good psu

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great psu! Running an i7 6700k, sli'd 980 ti's, 3 Hdds, led light system, in a corsair 540 case and no power issues!

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    everything I expected

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The modular design keeps everything neat. 4×pcie allows for more video cards. Really was an upgrade to my machine.

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    First one was DOA

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    First one didn't work at all. Best buy replaced it and the second one works perfectly. This was my sixth cosair power supply purchase so guessing first one that didn't work was a fluke

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Excellent Big Power

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This power supply dubbled my wattag e so I could add a more powerful graphics card and a new motherboard

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Great deal on this item and Great offer. I use it

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great deal on this item and Great offer. I use it all the time.

    I would recommend this to a friend
  • Pros mentioned:
    Power supply

    Rated 5 out of 5 stars

    Good value

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    850W semi modular PSU can be had for $100 when on sale. Cant really get much better value than that. It is only a semi modular though, so there is still cables physically attached that go to the motherboard. Other than that, good power, good warranty, and nice black color.

    I would recommend this to a friend
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