NZXT C850 Gold ATX 3.1 Fully Modular Power Supply - 850W, 80 PLUS Gold, White

High-end gaming rigs and workstations demand a power supply that can keep up with the latest graphics cards and processors. The NZXT C850 Gold ATX 3.1 delivers 850 watts of clean, stable power with 80 PLUS Gold efficiency, ensuring lower energy waste and quieter operation. Its fully modular design lets you use only the cables you need, improving airflow and simplifying cable management in any ATX case. With native support for the 16-pin PCIe Gen 5 connector, it's ready for next-generation GPUs right out of the box.

Key specifications

• 850W continuous power output
• 80 PLUS Gold certified efficiency
• ATX form factor, fully modular cabling
• 120mm fluid dynamic bearing fan with Zero RPM mode
• Active PFC, 100-240V AC input
• Protections: OVP, UVP, OPP, SCP, OCP, OTP
• 1x 24-pin ATX, 2x 4+4-pin EPS, 4x 6+2-pin PCIe, 8x SATA, 6x Molex
• White finish

Why choose it

The C850 Gold ATX 3.1 combines reliability, efficiency, and modern connectivity. Its 80 PLUS Gold rating reduces heat and electricity costs, while the fluid dynamic bearing fan stays silent under low loads thanks to Zero RPM mode. The fully modular cable set includes a dedicated 16-pin connector for PCIe 5.0 GPUs, ensuring compatibility with the latest hardware. Backed by a 10-year warranty, it's a long-term investment for any enthusiast build.

Ideal use cases

• High-end gaming PCs with RTX 40-series or future GPUs
• Content creation workstations requiring stable power
• Compact ATX builds where cable management matters
• Systems running 24/7 with low noise requirements

Good to know

The NZXT C850 Gold ATX 3.1 is engineered for longevity with a 100,000-hour MTBF and comprehensive protection circuitry. Its white finish adds a clean aesthetic to any build, and the Zero RPM fan mode ensures silent operation during light loads. The power supply includes all necessary mounting screws and a user manual for easy installation.