Few months ago, checking old boxes with stuff, I found an unopened Corsair HX 850. At some point I was steadily buying parts for a new rig but afair went for gaming laptop and forgot about that beutiful PSU laying around.

Anyway, I'm in the process of building a rig atm, 400W tops (i3 8350k, RTX 2060) and would like to ask, is there any reason not to use this PSU? Or anything to be wary of if not? It's 6 - 8 years old, not sure exactly, my youth is a blur heh.

I ask because I saw opinions online that it's bad to leave PSU unused, capacitor aging, current leakage, deterioration, weathering, corrosion, erosion, cracks, horror, pain and death.

Thanks in advance.