Are I/O shields necessary?

Greysonj

Reputable
Feb 24, 2014
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4,710
I recently finished building my first PC, and I just realized I never put in the I/O shield! I REALLY don't want to have to take my motherboard out and just to put it in, but I will if I need to. So does the I/O serve any *important* purpose besides aesthetics and dust protection?