I assume that you want to find out what the hard disk storage is being used for rather than memory. If you google Treesize you can down load a trial copy of treesize which will show where the disk space is being used.
Samsung Galaxy S8 review
1995-2015: How technology has changed the world in 20 years
What’s happening in VR right now: From psychedelic art to combat therapy
Siri not working? Try these troubleshooting fixes
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.