£134.53 Original price was: £134.53.£123.06Current price is: £123.06.
£134.53 Original price was: £134.53.£123.06Current price is: £123.06.
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Product Description
NZXT C850W Gold Reliable ATX 3.1 Power for High-Performance PCs
Efficient Power Delivery for Modern Components
The NZXT C850W is a premium power supply built for performance-focused PC builds requiring efficiency, stability, and high compatibility. With full compliance to the latest ATX 3.1 standard, this PSU ensures exceptional power regulation, better spike handling, and precise delivery to even the most power-hungry components, including next-gen GPUs. Its 850W output provides ample headroom for high-end processors and graphics cards while maintaining optimal energy efficiency.
Clean Builds with Silent Cooling
Designed with builders in mind, the fully modular layout of the C850W lets you connect only the necessary cables, leading to a neater interior and improved airflow. It features a 135mm fluid dynamic bearing fan that operates in Zero Fan Mode under 50% load, offering virtually silent performance during low to medium workloads. Whether you're gaming, creating, or multitasking, this PSU keeps your system cool and quiet.
Reliable, Durable, and Ready for the Future
With 80 Plus Gold certification, the C850W minimizes energy waste and reduces heat generation. Premium internal components, including all-Japanese capacitors, ensure long-term durability and outstanding hold-up time. Backed by a 10-year warranty, this PSU is engineered for long-lasting performance, giving you the peace of mind and reliability you need for years of computing excellence.
| Key Specs | Specification |
|---|---|
| Compatible Devices | Desktop PC |
| Connector Type | ATX |
| Output Wattage | 850 Watts |
| Form Factor | ATX |
| Wattage | 850 |
| Cooling Method | Air |
| Item Dimensions (L × W × H) | 6.3 × 5.91 × 3.39 inches |
| Item Weight | 7.9 Pounds |
| Power Supply Design | Full Modular |
| Output Connectors | Count |
| 24-pin ATX Power Cable | 1 |
| 4+4-pin CPU Power Cable | 1 |
| 8-pin CPU Power Cable | 1 |
| 6+2-pin PCIe Power Cable | 3 |
| 16-pin (12+4) 12V-2×6 PCIe Cable | 1 |
| SATA Cable | 12 |
| Peripherals Cable | 4 |
| Energy Efficiency | 80 Plus Gold |
| 10% Loading | 85.5% @115Vac |
| 20% Loading | 89.7% @115Vac |
| 50% Loading | 91.9% @115Vac |
| 100% Loading | 89.3% @115Vac |
| Fan Specs | |
| Dimensions | 135 x 135 x 25 mm |
| Speed | 2300 ± 10% RPM |
| Airflow | 93.02 CFM (Min.) |
| Noise | 44.5 dBA max |
| Bearing | Fluid Dynamic Bearing (FDB) |
| MTBF | 100,000 hours |
| Temperature | 0 – 50 °C |
Other Options
Customer Reviews
39 reviews for NZXT C850W 80 Plus Gold ATX 3.1 Fully Modular Power Supply Black
Clear filtersRecently viewed
- 24-pin ATX 3.1
- 850W Wattage
- Fully-Modular
- 80 PLUS Gold
NZXT C850W Gold Reliable ATX 3.1 Power for High-Performance PCs
Efficient Power Delivery for Modern Components
The NZXT C850W is a premium power supply built for performance-focused PC builds requiring efficiency, stability, and high compatibility. With full compliance to the latest ATX 3.1 standard, this PSU ensures exceptional power regulation, better spike handling, and precise delivery to even the most power-hungry components, including next-gen GPUs. Its 850W output provides ample headroom for high-end processors and graphics cards while maintaining optimal energy efficiency.
Clean Builds with Silent Cooling
Designed with builders in mind, the fully modular layout of the C850W lets you connect only the necessary cables, leading to a neater interior and improved airflow. It features a 135mm fluid dynamic bearing fan that operates in Zero Fan Mode under 50% load, offering virtually silent performance during low to medium workloads. Whether you're gaming, creating, or multitasking, this PSU keeps your system cool and quiet.
Reliable, Durable, and Ready for the Future
With 80 Plus Gold certification, the C850W minimizes energy waste and reduces heat generation. Premium internal components, including all-Japanese capacitors, ensure long-term durability and outstanding hold-up time. Backed by a 10-year warranty, this PSU is engineered for long-lasting performance, giving you the peace of mind and reliability you need for years of computing excellence.
| Key Specs | Specification |
|---|---|
| Compatible Devices | Desktop PC |
| Connector Type | ATX |
| Output Wattage | 850 Watts |
| Form Factor | ATX |
| Wattage | 850 |
| Cooling Method | Air |
| Item Dimensions (L × W × H) | 6.3 × 5.91 × 3.39 inches |
| Item Weight | 7.9 Pounds |
| Power Supply Design | Full Modular |
| Output Connectors | Count |
| 24-pin ATX Power Cable | 1 |
| 4+4-pin CPU Power Cable | 1 |
| 8-pin CPU Power Cable | 1 |
| 6+2-pin PCIe Power Cable | 3 |
| 16-pin (12+4) 12V-2×6 PCIe Cable | 1 |
| SATA Cable | 12 |
| Peripherals Cable | 4 |
| Energy Efficiency | 80 Plus Gold |
| 10% Loading | 85.5% @115Vac |
| 20% Loading | 89.7% @115Vac |
| 50% Loading | 91.9% @115Vac |
| 100% Loading | 89.3% @115Vac |
| Fan Specs | |
| Dimensions | 135 x 135 x 25 mm |
| Speed | 2300 ± 10% RPM |
| Airflow | 93.02 CFM (Min.) |
| Noise | 44.5 dBA max |
| Bearing | Fluid Dynamic Bearing (FDB) |
| MTBF | 100,000 hours |
| Temperature | 0 – 50 °C |

Lew (verified owner) –
Very satisfied, just a small scratch on arrival
Nina (verified owner) –
Delivered ahead of time and well packed
Louisa (verified owner) –
Installation was easy but needed a quick BIOS update
Margret (verified owner) –
Exactly what I needed for my gaming rig
Maximillia (verified owner) –
Runs fine, had to tweak settings a little
Odie (verified owner) –
Worked after a few restarts
Raymond (verified owner) –
Speed boost was immediately noticeable
Nathaniel (verified owner) –
Nice upgrade, software could be improved
Lula (verified owner) –
Works flawlessly with my setup
Odell (verified owner) –
Super fast delivery and the product works perfectly
Lauriane (verified owner) –
Helped speed up my PC noticeably
Madeline (verified owner) –
Had some issues during installation
Prudence (verified owner) –
Average results in benchmark tests
Queen (verified owner) –
Came with everything needed to get started
Martina (verified owner) –
Build quality is impressive, fan a bit loud
Maryse (verified owner) –
A must-have upgrade for any serious gamer
Mittie (verified owner) –
Everything works fine, but delivery could be faster
London (verified owner) –
Happy overall, just had to replace a missing screw
Marietta (verified owner) –
My FPS increased significantly after installation
Norwood (verified owner) –
Excellent packaging and genuine product
Mathilde (verified owner) –
This component exceeded my expectations
Olga (verified owner) –
Good choice for mid-range builds
Raheem (verified owner) –
Performance boost was noticeable
Ray (verified owner) –
Reliable, powerful, and works as expected
Oma (verified owner) –
Solid quality and very quiet in operation
Moshe (verified owner) –
Fan gets loud during gaming
Queenie (verified owner) –
Average performance, expected a bit more
Pedro (verified owner) –
Great customer support and fast dispatch
Lenora (verified owner) –
Mediocre speed, suitable for casual users
Leanna (verified owner) –
Great for gaming, just not future-proof
Monty (verified owner) –
Met my expectations but not blown away
Malcolm (verified owner) –
Build quality is just acceptable
Morris (verified owner) –
Really impressed with the durability
Libbie (verified owner) –
Happy with the product, minor noise under load
Manuela (verified owner) –
Very efficient and stays cool
Mac (verified owner) –
Not perfect but definitely worth the price
Raquel (verified owner) –
Stable and reliable so far, time will tell
Leonora (verified owner) –
Solid performance, just wish it came with more documentation
Porter (verified owner) –
Fits well in my case, tight clearance though