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  • NZXT C850 - C Series ATX 850 Watt 80 Plus Gold v2 (2022) Full-modular Power Supply, US Power Cord

NZXT C850 - C Series ATX 850 Watt 80 Plus Gold v2 (2022) Full-modular Power Supply, US Power Cord

4.7 out of 5 stars (500)
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About this item

  • MORE EFFICIENT: At 50% load and high-line input voltage, power conversion efficiency reaches 2% higher than 80plus Gold Standard.
  • FULLY MODULAR: Use only the cables you need to keep your system clean and organized. Black sleeved cable and a matte black finish seamlessly fit any PC style.
  • COMPATIBLE AND HIGHLY-TESTED: C series is built and tested with strict standards for trouble-free installation. It fits most ATX case and supports the latest NVIDIA and AMD GPUs up to 30 series and AMD 6000 Series.
  • MORE PRECISE AND ERROR-FREE: Micro controller (MCU) enabled protection mechanism monitors current and voltage and output wattage.
  • OPTIMIZED AND SILENT: Gold PSU includes low thermal dissipation optimization with upgraded components and optimized circuit design.
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Product voltage: 100

This product is compatible with outlets that support 100 volts and might require a converter when used outside of the United States.
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C SERIES PSU GOLD

Clean and Reliable 80 Plus Rated PSUs

Modular and semi-modular PSUs that supply all the power needed to support any gaming PC build.

  • Quieter cooling and expanded fan life.
  • Fits any case conforming to the ATX standard.
  • The modular design limits clutter and sleeved main cables provide greater durability.

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Silent Operation

The C Series Bronze utilizes DC-DC technology to allow operation to generate less heat to reduce the fan RPM. The 135 mm PWM silent fan ensures the power supply can silently operate at high load. Capacitors, transformers, and coils have undergone treatment to reduce electromagnetically induced acoustic noise.

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Compatible and Efficient

The C Series fits any case supports ATX PSU, supporting most of the latest NVIDIA 30 series and AMD 6000 series GPUs.

nzxt

Going for the Gold

The C Series Gold PSUs are 5% more efficient than the C Series Bronze and the power conversion efficiency reaches 1.5% higher than 80plus Gold Standard at 50% load high line input voltage.

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Product Description

C Series Gold ATX power supply from NZXT features safe, reliable power while ensuring optimal efficiency and quieter performance. Manufactured with high-quality components, the C Series Gold ATX power supplies deliver both peace of mind and up to 1000 watts of clean, reliable power to your PC gaming system.

Product information

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.

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Top Brand: NZXT

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Customer reviews

4.7 out of 5 stars
500 global ratings

Customers say

Customers find the power supply reliable, with one mentioning it served their needs for many years, and they appreciate its fully modular design that makes cable management easier. The power supply is easy to install, well-built, and operates quietly, with one customer noting it's compatible with 30 and 40 series graphics cards. While the included cables are plentiful, some customers find them awful, and one customer mentions the cables are super stiff.
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20 customers mention reliability, 17 positive, 3 negative
Customers find the power supply reliable, with multiple customers reporting that it works brilliantly and has no problems. One customer mentions that their PC was up and running again with no issues, while another notes it will serve their purposes for many years.
Works great, just not a fan of the look of the PCIE cablesRead more
I bought this for a new build in Nov 2023. A year later and no issues....Read more
...I'm sure the PSU itself is high quality and will serve my purposes for many years (fingers crossed.)...Read more
...Power supply is super quiet, and so far as least, working great to keep my new build running.Read more
19 customers mention power quality, 17 positive, 2 negative
Customers praise the power supply's performance, with one customer noting it works well with 30 and 40 series graphics cards.
I have to say it's a good psu just wish it was.....new ???....Read more
Excellent power supply. Handles the graphic card and everything else with no problems....Read more
It's a good power supply but I believe I have a defective fan in my unit....Read more
Excelente productoRead more
10 customers mention cable management, 7 positive, 3 negative
Customers appreciate the power supply's modular design, with one customer noting that it makes cable management easier.
...Easy to install, Fully modular, short chassis length, well-labeled, with plenty of cables included, and very quiet. Excellent power supplyRead more
...Having modular cables means I don't have a bunch of un-used cables going everywhere....Read more
...They’re all braided, very stiff and pretty terrible for cable management....Read more
Love the modular connectors and build quality. The purple bag to keep all the extra cables in is appreciated as well....Read more
9 customers mention easy to install, 9 positive, 0 negative
Customers find the power supply easy to install.
...Handles the graphic card and everything else with no problems. Easy to install, Fully modular, short chassis length, well-labeled, with plenty of...Read more
I love this, it comes so convenently packaged and it is super easy to install....Read more
Power supply fits easily tin standard ATX case. Cables easy to handle and install....Read more
Not much to say about a psu. Works as intended, easy setup....Read more
7 customers mention build quality, 7 positive, 0 negative
Customers find the power supply well built and stable.
Love the modular connectors and build quality. The purple bag to keep all the extra cables in is appreciated as well....Read more
...Solid psuRead more
...This product delivers efficient and reliable power, keeping my system stable even when I'm putting a lot of stress on my pc....Read more
This power supply is fantastic. Excellent build quality and performance. Would recommend to anyone looking for a high quality product.Read more
6 customers mention quiet operation, 6 positive, 0 negative
Customers appreciate the power supply's quiet operation, describing it as dead quiet.
...Power supply is super quiet, and so far as least, working great to keep my new build running.Read more
No issues so far. Dead quiet, well built, provides plenty juice. However the cables are another story....Read more
...chassis length, well-labeled, with plenty of cables included, and very quiet. Excellent power supplyRead more
...He is a great rep for the company. Power supply a LOT less noisy. Packaged very well and has all the cables you will need.Read more
8 customers mention cables, 5 positive, 3 negative
Customers have mixed opinions about the power supply's cables, with some appreciating that plenty are included, while others find them awful.
...Fully modular, short chassis length, well-labeled, with plenty of cables included, and very quiet. Excellent power supplyRead more
Probably worst cables I've ever encountered. Rigid, not enough free cable at ends to rotate properly, the braided sleeves snags on everything....Read more
...I chose it because of the nice sleeved cables that I wouldn't need to replace or supplement with custom cables or cable extensions....Read more
Has enough cords that come with it you don't have to wait for custom cords to come in. Solid psuRead more
5 customers mention rigidity, 1 positive, 4 negative
Customers find the power supply's cables to be very stiff.
Not much to say about a psu. Works as intended, easy setup. Cables are super stiff out of the shaving kit they come in but a little warming softens...Read more
...The 6+2 cables were rather rigid. I would have liked a second 8 pin power to CPU 8 pin cable as 6+2 (2pin) can be difficult to attach. IMHORead more
...However the cables are another story. They’re all braided, very stiff and pretty terrible for cable management....Read more
...They’re actually pretty flexible, but I hate these cables for my PC....Read more
Calidad
5 out of 5 stars
Calidad
La he tenido durante mas de medio año sin problema alguno, los cables en la instalación son un poco complejos de ajustar por lo duros que son, pero en general es una fuente que me ha funcionado al 100%
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Top reviews from the United States

  • Clayton
    5.0 out of 5 stars Amazing Power supply
    Reviewed in the United States on March 30, 2025
    Verified Purchase
    This power supply fit perfectly in my PC and works flawlessly. The design made cable management a breeze, and the sleeved cables give a clean look. This product delivers efficient and reliable power, keeping my system stable even when I'm putting a lot of stress on my pc. Highly recommend for anyone building or upgrading their rig
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  • Connor Loomis
    5.0 out of 5 stars Great PSU
    Reviewed in the United States on June 20, 2025
    Verified Purchase
    Has basically 0 sound when running. Easy to install into computer. Does what it needs to do. No issues so far, and it's been more than a year since I installed it into my computer.
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  • No one
    5.0 out of 5 stars Nzxt for the win
    Reviewed in the United States on July 23, 2024
    Verified Purchase
    Not much to say about a psu. Works as intended, easy setup. Cables are super stiff out of the shaving kit they come in but a little warming softens them up enough to fit them in the build. Comes with way more cables than the average build would need. Quality sheathing and management options. Worth the money for a psu with room to grow.
    9 people found this helpful
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  • Chevy
    5.0 out of 5 stars Great product
    Reviewed in the United States on September 2, 2025
    Verified Purchase
    Great psu
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  • Zay
    4.0 out of 5 stars Good but…
    Reviewed in the United States on January 31, 2024
    Verified Purchase
    This is my first review. I’m an average pc user. I know how to do things, but I’m not pro at them, so installing this PSU took me 2 days. Honestly it would’ve took me a day at max, but I kept getting stuck on stuff and I took out some plugs I didn’t even need to take out cause it wasn’t connected to the PSU. Anyway onto the PSU. I’m giving it 4 stars for two reasons. The biggest reason is because these braided cables suck! I’m not doubting them being high quality and I’m actually not good at Cable Management, but for my Case (Lian Li Lancool 2 Mesh Performance) these braided cables made things so much harder for me to connect things to the Mobo and a neat fashion because how thick the cables are as well. They’re actually pretty flexible, but I hate these cables for my PC. Other problem I had is probably due to the PSU, but some Cables can just come out easily. It’s really the Mobo Cable. Both sides come out of the PSU and Mobo easily no matter how hard I put pressure to them. My last problem (not sure if it was a problem) was that after 2 days of work, when I finally turned the PC on, the PSU smelled like it was burning. I quickly turned it off and unplugged it after waiting a few secs. Nothing exploded and everything was fine. I ended up doing research and found out new PSUs can smell like burning for a short while due to something called no clean flux. What I did now was connect the PSU to a testing bench after researching for a hour and when I did, I smelled no burning at all anymore. I monitored it for 30 mins, nothing. I finally put it back in my PC and monitored it for another hour and nothing, so all is fine. Best thing I got outta this was the experience. I was able to hook the PSU back up pretty fast. Sorry for the long message. overall the PSU is very high quality and besides the things I said, I would recommend it to you.
    8 people found this helpful
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  • Robert c.
    5.0 out of 5 stars It's Alive!
    Reviewed in the United States on June 15, 2025
    Verified Purchase
    I like it. It's black it's simple and it works. What else can I say.
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  • Leysath
    5.0 out of 5 stars Impressive packaging and build quality
    Reviewed in the United States on January 19, 2024
    Verified Purchase
    Love the modular connectors and build quality. The purple bag to keep all the extra cables in is appreciated as well. Power supply is super quiet, and so far as least, working great to keep my new build running.
    2 people found this helpful
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  • Victor L
    5.0 out of 5 stars Amazing for any 30 or 40 series cards
    Reviewed in the United States on February 5, 2024
    Verified Purchase
    I love this, it comes so convenently packaged and it is super easy to install. If you aren't knowlageable about tech it is still pretty easy to understand once you watch a video and a little common sense. It took less than 5 mins to install and it got my PC up and running again with no issues.
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Top reviews from other countries

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  • Manuel m.
    5.0 out of 5 stars Excelente
    Reviewed in Mexico on July 7, 2023
    Verified Purchase
    Es muy buena compra, apenas arme la PC, ya en unos meses actualizo, pero realmente es buena calidad, trae todo lo necesario.,
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    Manuel m.
    5.0 out of 5 stars
    Excelente

    Reviewed in Mexico on July 7, 2023
    Es muy buena compra, apenas arme la PC, ya en unos meses actualizo, pero realmente es buena calidad, trae todo lo necesario.,
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  • nilocnus
    5.0 out of 5 stars Perfect PSU
    Reviewed in Canada on August 18, 2023
    Verified Purchase
    Efficiency of the power supply here should match that of the Corsair RMx 2021 series for as of current, less money of the same wattage.

    However, its packaging is extremely nice and unexpected. The storage for all excess cables is a very welcome addition. All the plugs and cables seem high quality, and the build quality is extremely solid too.

    As long as you know what you're doing, this PSU has no fault. Turning on the zero-fan mode is a preference, but a very welcome one for me. The power supply is essentially silent under regular operations, even with my RTX 3080 attached. NZXT has some questionable products in the past few years, but this is not one of them. Extremely excellent purchase for the price, you cannot go wrong
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  • I order things
    5.0 out of 5 stars Works great.
    Reviewed in Canada on June 18, 2024
    Verified Purchase
    I bought this as my either my motherboard or PSU was dying (I replaced both to be safe)

    My old PSU was practically equal in everything to this one, aside from it being 750W.

    The cables on this PSU are a little bit stiff compared to my old one, but that's the only negative I was able to find with this compared to my old PSU. I generally have 0 real complaints.

    You get what you pay for, the cables are marked for GPU/CPU/MOBO/PCI-E. No need for guess work, I can't really note or complain about noise because I literally have a window AC unit going that masks any noise my PC could possibly make anyways.

    Overall, given the price, it's a good PSU, I've enjoyed my NZXT case for a while as it was affordable & good quality, this one seems to be the exact same in the form of a PSU.
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  • Sergio Molina
    5.0 out of 5 stars Excelente
    Reviewed in Mexico on July 11, 2023
    Verified Purchase
    Funciona sin problemas. Que sea totalmente modular es muy bueno al armar tu PC
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  • ProjectMan
    5.0 out of 5 stars Very nice modular power supply
    Reviewed in Canada on April 16, 2024
    Verified Purchase
    I chose this for my new PC build. It came well packaged and the PSU seemed solidly build. Very quiet operation. It has a button at the back for a truly silent mode (fan stop spinning) when the power demand is low. I didn't even know NZXT made power supplies so I thought that I'd try it out. It works good and I like this a lot.
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