The unit was drawing nearly 92% of its rated load—way above the 70% she liked to see for reliability. Two of the three cooling fans inside the power supply were spinning, but the third was silent. Seized. That explained everything. Without balanced airflow, the internal components were baking. Capacitors would start degrading within hours.
If your is running hot to the touch or causing sudden system shutdowns, you are likely dealing with an overheating issue. This 650W, 80 PLUS Gold certified unit is designed for efficiency, but even high-quality PSUs can struggle if airflow is restricted or internal components become compromised. Common Causes of Overheating in the Hys3c210-cs hys3c210cs power supply hot