Migrated from Lemm.ee under the same username.

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Joined 1 year ago
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Cake day: June 29th, 2025

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  • I think that right there is your issue. If I were to build a PC with that calculation, I would have, at minimum, gone for a 800W PSU. Mainly for provide a safely margin and also allow for some expansion down the road.

    A PSU that is that old isn’t likely to be able to keep its peak wattage like it used to. The old electrical components age. I would guess, whatever protection circuitry kicks off the power supply if the power draw goes too high, has likely aged enough to lower that kick-off point. While it could handle 650W while new, maybe now it shuts down at something like 620W.

    Your only real option may be to just get a new PSU. As a temporary measure, you could maybe limit the power draw of the GPU. I don’t really know how to go about it, but the TDP limit on the Steam Deck immediately came to mind.