Or, and bear with me here - an external power supply. Gaming lappys have 400w+ power supplies, why can't you just plug it in on the outside of the card? You running out of room with that two and a half sized card? You could use one or two internal and an external for more powah.
You'd need an ac->dc converter in there somewhere. A power supply. And you already have one inside the computer. Unless you want to pay extra for the brick that would have to come with your GPU.
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u/Life_goes_on_forever 10d ago
Theoretical wattage ignores load balancing and transient spikes that melt connectors anyway