£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
17 reviews for NZXT C850W 80 Plus Gold ATX 3.1 Fully Modular Power Supply Black
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- 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 |

Lelah (verified owner) –
Upgraded my system and noticed the difference instantly
Laura (verified owner) –
Installation was simple and quick
Melisa (verified owner) –
Highly recommend for any PC build
Nat (verified owner) –
Not perfect but definitely worth the price
Larue (verified owner) –
Great for gaming, just not future-proof
Quinton (verified owner) –
Good choice for mid-range builds
Nevada (verified owner) –
A must-have upgrade for any serious gamer
Opal (verified owner) –
Build quality is impressive, fan a bit loud
Miles (verified owner) –
Gets the job done, nothing more
Maxwell (verified owner) –
Zero compatibility issues, great experience
Reagan (verified owner) –
Massive improvement from my old component
Loyal (verified owner) –
Really impressed with the durability
Leila (verified owner) –
Took a while to arrive, but it works
Lizzie (verified owner) –
My FPS increased significantly after installation
Leonie (verified owner) –
Top-notch performance and easy installation
Mateo (verified owner) –
Solid performance, just wish it came with more documentation
Pietro (verified owner) –
Would definitely buy again from this store