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Picture of a thing, but what is the thing?
(lemmy.world)
Let us help you identify that mysterious object you’ve found.
Currently in CHALLENGE mode: If you've got something obscure knocking about, post a picture, and let's see how we do. Please prefix such posts with "CHALLENGE:" so we know we've got a fighting chance.
As others mentioned it looks like a heat sink, they create a lot of surface area and blow air through to the device in order to help dissapate heat and prevent the device from overheating.