3.5" floppy formats

[chrisNova777]

https://en.wikipedia.org/wiki/List_of_floppy_disk_formats

3.5" floppies:

We offer a wide variety of DS/HD and DS/DD floppy disks.​   Here is what the terms mean.
​
DS/HD or MF2-HD "high density":
-The term DS/HD means double sided high density.  Sometimes called MF2-HD. 
​-When used in connection with 3.5 inch floppy diskettes,
the disk capacity is 2.0 MB before the disk is formatted.
When formatted for IBM, the disks are 1.44 MB.

​
DS/DD or MF2-DD "low density":
​-The term DS/DD means double sided double density.  Sometimes called MF2-DD or low density disks. 
-When used in connection with 3.5 inch floppy diskettes,
the disk capacity is 1MB before the disk is formatted. 
When formatted for IBM, the disks are 720K.

http://www.floppydisk.com/dsdd-dshd

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