This shelve was unfortunately not as substantial as I was expecting. I tried it with just the adhesive, but it didn't feel trustworthy, so I did end up using the screws, which helped, but I'm still not sure what the longevity is going to be. This may in part be due to the material the underside of my desk is made from. For now I'm using it to hold a few drives and a power bank. I don't know that I would want to put much more in it than that. I will say that having the additional storage within easy reach is nice.
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