Why Estimate When You Can Measure?

In 15 years of building computers, I’ve never seen that.

I have seen PSUs fail outright, and I have overloaded a small PicoPSU once by switching to a PCI Express video card in my HTPC versus the on-board Haswell GPU. But I was using the Kill-a-Watt to monitor and I knew it was close to the edge based on those readings…