@FreyaManibrandr Given the current price of gpus, you may want to see if you can just replace the thermal paste, or get an aftermarket cooler for the one you have already?
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@Felthry is there anything I need to know before I attempt it?

@FreyaManibrandr Not in particular, though I'd recommend an anti-static wristband if you have one, or at least be aware of static and try to discharge yourself before working on it

the process really is just take off cooler, wipe away the old thermal compound, apply new thermal compound, put cooler back on

i suppose we would recommend looking up pictures and demonstrations of what too little, just enough, and too much thermal paste looks like though
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@Felthry I did it for my CPU a while back, so I should be fine, if worse comes to worse, I'll just be in need to buy a new one, which is part of the plan anyways

@FreyaManibrandr hope it works well then! if this doesn't work though (implying something about the cooler itself may be broken) getting an aftermarket cooler may be worth looking into--or even getting another identical card if you can find a broken one sold for parts and putting that one's cooler on it, since i imagine a broken card wouldn't be sold at scalper prices
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@Felthry update, I couldn't figure out how to open up my particular model, the Gigabyte r9 270x OC 2GB