hard drive showing 2 different used space, over 30 gb of space missing from memory

shorekyle3

Prominent
Oct 17, 2017
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So i have an SSD and a hard drive and I checked their properties and highlighted all their content, the content adds up to less than what is telling me is used. I have pictures to explain more, I wish to know what happened to the other storage I have.

https://imgur.com/a/syVguRO