FlexiDrive 5.25″ Power Adapter | FlexiDrive - Floppy Drive Update
En-labs 2 X Usb 3.0 Front Panel W/ 3.5" Device/hdd Or 2.5" Ssd/hdd To 5.25 Floppy To Optical Drive Bay Tray Bracket Converter - Docking Stations & Usb Hubs - AliExpress
Review of the FC5025 5.25″ Floppy to USB Adapter « ASCII by Jason Scott