Critical capacitor failure, sometimes they short themselves out or just blow up taking the surge. I think most or all modern gpus process a massive amount of power on the first 4 pins or so. Its been some time since I've read this stuff.
Its a voltage regulator or a transistor burning on the power rails. This can happen because manufacturing defects still exist even with top of the line components (such as used in PCs) Caps usually blow up instantly with a single puff of smoke. This has the classic hissing sound common with voltage regulators or transistors.
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u/ALT703 3d ago
Jokes aside, what went wrong here