I remember being confused because all my 3.5” disks were High Density so they had a “HD” stamped on them. I was pretty sure they were hard disks and the old 5.2

I remember being confused because all my 3.5” disks were High Density so they had a “HD” stamped on them. I was pretty sure they were hard disks and the old 5.25” were floppy.