The NZXT C850 Fully Modular PSU offers exceptional power efficiency with its 80 Plus Gold rating. Tailored for high-performance builds, this power supply unit delivers 850 watts of power with ATX 3.1 compliance. It is designed for maximum performance with minimal noise, making it ready to fuel the demands of top-tier GPUs and CPUs. The PSU features high efficiency, low noise, and premium construction, making it ATX 3.1 compliant for stable delivery and improved efficiency. It's also 40 Series Ready, with a 12V-2x6 cable that delivers up to 600 watts of power to NVIDIA GeForce RTX 40 Series GPUs. Certified for High Efficiency & Low Noise with 80 PLUS Gold Efficiency, Cybenetics Gold Efficiency, and Cybenetics A- Noise Level Ratings. Silence is Golden with its 135mm FDB fan that has a Zero Fan Mode, stopping the fan under 50% load for total silence. It includes 100% Japanese Capacitors for improved hold-up time and reduced ripple noise for stable, reliable power delivery. The fully modular design means you only connect the cables needed, keeping your build tidy. A full cable set is included, and its compact form factor frees up room for cable management and improved airflow. Backed by a 10-year warranty and reliable customer support.