StarTech.com 3.5″ to 5.25″ Front Bay Mounting Bracket – Desktop Front Bay Adapter – Black – Plastic – Black

This plastic, floppy-drive adapter bracket lets you install a 3.5in floppy drive into a 5.25in bay.

A simple solution that lets you position a 3.5in floppy drive in a computer case as needed (without being confined to the 3.5in floppy bay determined by the case layout), the floppy drive adapter bracket features an attractive open-faced black bezel that provides a snug, secured fit for installed drives.