NZXT C850 Gold Core - 850W ATX 3.1 Power Supply - 80 Plus Gold - Cybenetics Platinum - Fully Modular - PCIe 5.1 600W 12V-2x6 - Zero RPM Fan - 105°C Capacitors - Black
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AI Verdict
This 850W ATX 3.1 PSU with Cybenetics Platinum efficiency and a 600W 12V-2x6 connector powers modern GPUs quietly.
This 850W ATX 3.1 power supply is a strong fit for modern gaming PCs, especially those with current-gen NVIDIA or AMD GPUs, due to its PCIe 5.1 600W 12V-2x6 connector and 80 PLUS Gold/Cybenetics Platinum efficiency. Its fully modular design and 150 mm length aid in clean builds.
If you need an even longer warranty or prefer Japanese capacitors, look for PSUs with a 10-year warranty from the manufacturer.
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Pros
- ATX 3.1 and PCIe 5.1 ready with a 600W 12V-2x6 connector for next-gen GPUs.
- 80 PLUS Gold and Cybenetics Platinum efficiency reduces heat and power draw.
- Cybenetics A++ noise rating (<15 dBA) with Zero RPM fan mode for silent operation under light loads.
- Fully modular design simplifies cable management.
- 105°C-rated capacitors ensure stable performance.
- Compact 150 mm length fits easily in most PC cases.
Cons
- 7-year warranty is shorter than some competitors' 10-year offerings.
- Cables can be stiff, making routing challenging.
- Some users report noise under load, despite A++ rating.
- Lacks RGB lighting, which some users might prefer for aesthetics.
- Packaging is basic for its price point.
Dimension Scores
Achieves 80 PLUS Gold and Cybenetics Platinum efficiency, and provides 850W with a 600W 12V-2x6 connector for modern GPUs.
Features a Zero RPM fan mode and a Cybenetics A++ noise rating (<15 dBA), but some users report noise under heavy load.
Uses 105°C-rated capacitors and is based on Seasonic's Focus Plus Gold platform, though some sources distinguish its capacitors from NZXT's premium Japanese ones.
Fully modular design is excellent for cable management, but the cables themselves are reported to be stiff.
Best For
- PC builds with modern NVIDIA or AMD GPUs requiring a 12V-2x6 connector.
- Users prioritizing energy efficiency and stable power delivery.
- Systems where quiet operation during light workloads is crucial.
- Compact PC cases due to its 150 mm length.
Not Recommended For
- Users expecting a 10-year warranty common with other premium PSUs.
- Builders who need highly flexible cables for intricate routing.
- Anyone requiring integrated RGB lighting for system aesthetics.
Watch Out For
- The 7-year warranty is shorter than the 10-year warranties offered by some competitors and NZXT's own premium Gold series, which use Japanese capacitors.
- Cables are reported to be stiff, making cable routing cumbersome in tight spaces.
- Some users found the unit "surprisingly loud" under load, despite its Cybenetics A++ noise rating (<15 dBA).
- The unit's 150 mm length, while compact, might still be a tight fit for the absolute smallest ITX cases.
- Packaging is described as basic, which might disappoint users expecting a premium unboxing experience.
Full Specifications
| ASIN | B0FQ69SSM9 |
| Brand | NZXT |
| Color | Black |
| Wattage | 850 watts |
| Form Factor | ATX |
| Item Weight | 7 pounds |
| Manufacturer | NZXT |
| Connector Type | ATX |
| Cooling Method | Air |
| Output Wattage | 850 Watts |
| Item model number | PA-8G3BB-US |
| Compatible Devices | PC |
| Product Dimensions | 5.91 x 5.91 x 3.39 inches |
| Power Supply Design | Full Modular |
| Maximum Input Voltage | 240 Volts (AC) |
| Item Dimensions LxWxH | 5.91 x 5.91 x 3.39 inches |
| Item dimensions L x W x H | 5.91 x 5.91 x 3.39 inches |
What Buyers Say
Despite its future "Date First Available" on Amazon, discussions on Reddit and other review platforms suggest the NZXT C850 Gold Core is often considered a strong contender in its category, frequently appearing in "A-tier" PSU lists, albeit sometimes with a "speculative" tag. Users frequently highlight its quiet operation during light loads and its readiness for next-gen GPUs. However, a recurring point is the stiffness of its cables, which can complicate routing, and some users have noted it can get noisy under heavy system demands.
“Man, this thing powers my 7900XTX without a hitch, super quiet most of the time, but those cables are a pain to bend, seriously.”
Common Praise
- ATX 3.1 and PCIe 5.1 compliance with a 600W 12V-2x6 connector is ideal for new GPUs.
- Runs very quiet with no whine or weird noises during typical use.
- Fully modular design makes for clean builds and easier cable management.
- Considered A-tier or speculative A-tier on PSU tier lists, indicating reliability.
- Compact 150 mm length fits well in most PC cases.
Common Complaints
- Cables are stiff, making routing and bending difficult in some cases.
- Can become surprisingly loud under heavy system loads, despite its quiet claims.
- The 7-year warranty is shorter than the 10-year warranties offered by some competitors.
- Lacks RGB lighting, which some users expect for aesthetic customization.
- Packaging is described as basic, not reflecting a premium product experience.
Ownership Tips
- The Zero RPM fan mode works as advertised, keeping the system silent during web browsing or light tasks.
- The 12V-2x6 connector feels secure, with its dual-color housing providing visual confirmation of proper seating.
- Even with the stiff cables, the fully modular design still helps keep clutter down in the case.
- The unit's 150 mm depth really helps with compatibility in smaller mid-tower cases.
- The 7-year warranty, while not the longest, still offers a decent period of coverage.
Frequently Asked Questions
Is this power supply compatible with NVIDIA RTX 40 series graphics cards?
Yes, it is PCIe 5.1 ready and includes a 600W 12V-2x6 connector specifically designed for next-gen GPUs like the RTX 40 series.
Does this PSU operate silently?
It features a Zero RPM fan mode for silent operation during light workloads and has a Cybenetics A++ noise rating (<15 dBA). However, some users have reported it can get surprisingly loud under heavy load.
What is the warranty period for this power supply?
The NZXT C850 Gold Core comes with a 7-year warranty.
Are the cables modular?
Yes, it is a fully modular power supply, allowing you to connect only the necessary cables for a cleaner build.
What kind of capacitors does it use?
It uses premium 105°C-rated capacitors. Some sources indicate these are Taiwanese capacitors for the Core series.
What is the physical size of this power supply?
It has a length of 150 mm, which is considered compact and fits easily in most PC cases.
Buying Guide
When picking a power supply, you're essentially choosing the heart of your PC. It needs to deliver consistent, clean power to all your components without failing or making too much noise. Pay attention to wattage for your GPU and CPU, efficiency ratings for less heat and lower electricity bills, and modularity for easier building. Don't cheap out here; a bad PSU can take other components with it.
ATX 3.1 & PCIe 5.1
This means the PSU is built for the newest graphics cards, especially those that use the 12V-2x6 connector. Think of it like having the right plug for your brand-new, power-hungry appliance – it ensures stable and safe power delivery.
80 PLUS Gold & Cybenetics Platinum
These are efficiency ratings. Higher ratings mean less wasted electricity as heat, which saves you money on your power bill and keeps your PC cooler. Platinum is better than Gold, meaning it's very efficient, like a fuel-efficient car.
Fully Modular
This refers to the cables. Fully modular means you only plug in the cables you need, making your PC build much tidier and improving airflow inside the case. It's like having custom-length cables instead of a tangled mess.
Zero RPM Fan Mode
This feature stops the fan from spinning when the power supply isn't under heavy load, making your PC completely silent during light tasks like browsing or watching videos. It's like your car engine turning off at a stop light to save fuel and reduce noise.
Alternatives
If you need a longer warranty or more flexible cables, look for 850W ATX 3.1 PSUs with 10-year warranties and reviews specifically mentioning cable pliability.
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