NZXT C850 Fully Modular 850W 80 Plus Gold ATX 3.1 Black PSU - PA-8G2BB-UK

The NZXT C850 PSU comes with a 10-year warranty.

ATX 3.1 compliance ensures the power supply can handle the transient power spikes of modern GPUs, delivering stable power and improved efficiency.

Yes, it includes a 12V-2x6 cable designed specifically for the NVIDIA GeForce RTX 40 Series GPUs, providing up to 600 watts of power.

The Zero Fan Mode stops the fan from spinning under 50% load to provide silent operation during low-power tasks.

The C850 PSU uses 100% Japanese capacitors for improved hold-up time and reduced ripple noise.

Yes, it is fully modular, allowing you to connect only the cables needed, for a cleaner build.

80 Plus Gold certification means the PSU operates with high efficiency, reducing wasted energy and heat generation.

Ensure your case supports the ATX form factor. Check the case dimensions and ensure they are compatible with the PSU's dimensions, which are 150 x 160 x 86 mm.

Check the power cable connection to both the PSU and the wall outlet. Verify that the power switch on the PSU is turned on. If the problem persists, test with a different power cable.

Check the power draw of your components to ensure it doesn't exceed 850W. Monitor system temperatures. Ensure the PSU fan is working correctly and the case has adequate airflow. Consider a different cable configuration if the problem persists.

Ensure the PSU is not overloaded. Check for any obstructions near the fan. Make sure the fan is clean and free of dust. If the noise persists, it might indicate a failing fan; contact NZXT support.

Check all cable connections, particularly the motherboard and GPU power connectors. Reseat the cables to ensure a secure connection. Verify that the correct cables are used for your components.

Immediately shut down your system and disconnect the power supply. Contact NZXT customer support for assistance; do not attempt to repair the PSU yourself.