NZXT C850 Gold Core Power (ATX 3.1, PCIe 5.1) is a 850 W, fully modular ATX 3.1 power supply featuring 80 PLUS Gold and Cybenetics Platinum efficiency, designed for next-gen GPUs with a 12V-2×6 PCIe 5.1 connector. It offers whisper-quiet operation with a 135 mm FDB fan and Zero RPM mode under light load. Premium 105 °C-rated capacitors ensure stable and reliable power delivery, while built-in protections (OVP, OCP, SCP, OTP, OPP, UVP) and a 7-year warranty add peace of mind.