Question Question regarding my PC ATX case

[LuKaWin10]

Hello everyone, does anyone know what type of drive bay is this?
https://filebin.net/fv5golt7kmbdpqap
This is the link, and it shows the drive bay (I don't know any other way to show it)

 

[Lutfij]

Those are 3.5" drive mounts;

^
https://m.media-amazon.com/images/I/91jIXcm5y+L.jpg

 

[LuKaWin10]

Those are 3.5" drive mounts;

^
https://m.media-amazon.com/images/I/91jIXcm5y+L.jpg

How can i then mount my HDD in?