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 Power Cable 17.5CM Length 4-pin New Molex to 3.5" 5055329023501 | eBay
What is the little twist in this floppy ribbon cable for? - Super User