Power Supply Unit NZXT C1200 Gold 1200 W

The NZXT C Series Gold 1200W ATX 3.1 power supply delivers high-efficiency, fully modular power for gaming and workstation systems. Designed to support top-tier GPUs and CPUs, this 80 PLUS Gold unit provides stable power delivery, compact dimensions for easier cable management, and a full set of modular cables for a clean build.

Advantages

This ATX 3.1 compliant PSU offers improved efficiency and stable voltage for high-performance components. It is certified 80 PLUS Gold and Cybenetics Gold for efficiency and Cybenetics A- for low noise. A 135 mm fluid-dynamic-bearing fan with Zero Fan Mode remains off under light to medium loads, ensuring near-silent operation. The power supply uses 100% Japanese capacitors to reduce ripple and improve hold-up time. Fully modular cabling and a compact form factor simplify installation and cable routing. The unit includes a 10-year warranty for long-term reliability.

Key specifications

• Power: 1200 W
• Form factor: ATX 3.1
• Efficiency certifications: 80 PLUS Gold, Cybenetics Gold
• Noise rating: Cybenetics A-
• Cooling: 135 mm FDB fan with Zero Fan Mode (stops below ~50% load)
• GPU support: 12V-2x6 cable delivering up to 600 W for NVIDIA GeForce RTX 40 Series
• Capacitors: 100% Japanese capacitors
• Cabling: Fully modular, full cable set included
• Warranty: 10 years
• Design: Compact, space-saving size

How to use

Install the PSU into a compatible ATX 3.1-compliant case or motherboard tray following standard safety precautions: disconnect mains power, ground yourself to avoid static discharge, and secure the unit with the included screws. Connect only the required modular cables to the PSU and components, ensuring the 12V-2x6 GPU cable is used for compatible NVIDIA GeForce RTX 40 Series graphics cards. Route cables to optimize airflow and avoid obstructing fans. After connecting components, verify all connections before powering on the system.

Recommendations

Use this NZXT 1200W Gold ATX 3.1 PSU with high-performance CPUs and RTX 40 Series GPUs that require up to 600 W on the 12V-2x6 connection. Ensure your case supports ATX 3.1 dimensions and allow adequate ventilation. For optimal longevity, operate the PSU within its rated temperatures and refer to the 10-year warranty terms for support.