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Use "heatsink" in a sentence
"There is only one, so I suppose that the software is reporting some other temperature wit the label heatsink wrongly) 2 - Changing the thermal paste will solve unexpected shutdowns."
"Um, might wanna be sure your heatsink is below it, and that your fan is up to snuff."
"Though the heatsink is a relatively standard affair (take a lump of copper, throw in a few heatpipes and whack some aluminium fins in there), its two fans do a much better job of cooling the card evenly along its length, and also keeping the power regulation under control."