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The efficiency delta between Gold and Titanium is really small. Optimizing that for heat reasons would be optimizing less than 1% of total heat output. And most cases keep the power supply thermally separate from the rest of the stuff anyway.

This guy has a very oversized Gold power supply, the efficiency would be ~92% with gold vs 94% with platinum. Maybe a smaller titanium one would be a better overall choice I guess.

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Generally I think going jumbo is good for cooling, because honestly the weight for this build probably doesn't matter as I imagine it's not getting transported often.

Conversely, this is not a build for overclocking per se. However I think it's a safe assumption we are running at capacity of over 90% for multiple days or weeks even. If batches run into over a month, probably time to get a server rack instead?

It is worthwhile to note you're not going to save any money in efficiency for computation you don't use.

There's no way this build draws 900W.

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