To use this power supply, first make sure it's connected to a proper power source. Then, attach your devices to the eight Phoenix 5 - pin output connectors. When using, keep it in a well - ventilated area to avoid overheating. For maintenance, clean it regularly with a dry cloth. Don't expose it to water or other liquids. If you notice any abnormal noises or malfunctions, stop using it immediately and seek professional help.