Yeah at that point you can swap the GPU and the memory itself onto a whole other board but good luck finding anyone locally who can do it.
@Big Jim You're not going to find this service locally. The Chinese do this sort of thing all the time because it's worth it with their lower wages but it just doesn't make sense economically in most countries.
Can't answer OP's question, but it caused me to price check a 4090 on Ebay... WOW! I've paid less for a brand new car! (Of course that was 50+ years ago!)