I have an old case and am missing a 5.25" drive bay cover. I bought this box, painted it the right color and installed it. It looks pretty good and works quite well. Not the smoothest ride, not the most durable material, but it's passable. It can store small items such as USB sticks and the like. If I could get something that just closes the slot but was cheaper I probably would, but since there is no such thing this box works fine.
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