It was new and sealed in box unless of course the seller did something shady with it. I'll dig into the return or put my old i5-12600
back in. Or perhaps I can manually disable a problem core considering I have some to spare. Thanks.

Edit-
Actually the diagnostics tool seems to not see an issue ...

Here's the next crash. It happed a bit later but seems to also involve the same EntityWithHealth::drawFluidVisualizationInternal .
I hope it's not the chip I got it cheap because of that whole fiasco but applied all the microcode patches before actually plugging it in.

This save has crashed 4x when doing the same thing. Hold the blueprint for the reactor which I put in inventory. It seems to consistently have an issue with the calculation of the fluid system within the blueprint when I am trying to place it in the city block. It's a vanilla save file with the ...