Amazon.com: KENTEK 6 Inch 6" 4 Pin Molex 5.25 Male to 4 Pin 3.5 Floppy Drive FDD Female M/F IDE DC Internal Computer PC Power Cable Adapter Cord : Electronics
Floppy Disk Drive / Bus Interface // retrocmp / retro computing
Amazon.com: CablesOnline 36 inch Universal Floppy Drive Ribbon Cable for 3.5 or 5.25in Drives, (FF-002) : Electronics
Connection Cable for two 5.25" Floppy Disk Drives (FDD cable)
Vintage Chinon 5.25" Floppy Drive Model F-051 AII Rev. B, 20 Pin AMR * – ineedths
Floppy-disk controller - Wikipedia
Jim's Floppy Drive Installation Help Page
Getting Data Out Of Its Floppy Cage | WCS Archives Blog