Amazon.com: CablesOnline 36 inch Universal Floppy Drive Ribbon Cable for 3.5 or 5.25in Drives, (FF-002) : Electronics
Wanted: 5.25" floppy to USB adapter - Retrocomputing Stack Exchange
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
FDADAP floppy disk adapter
MITH's Vintage Computers | FC5025 USB 5.25" Floppy Controller
FlexiDrive 5.25″ Power Adapter | FlexiDrive - Floppy Drive Update
Connection Cable for 3.5" and 5.25" Floppy Disk Drives (FDD cable)
Amazon.com: IYSHOUGONG 1.44MB 3.5" Floppy Drive Connector 34 PIN 34P to USB Cable Adapter PCB Board : Electronics
Amazon.com: KOOBOOK 1Pcs 1.44MB 3.5" Floppy Drive Connector 34 PIN 34P to USB Cable Adapter PCB Board with Power Cable : Electronics
FlexiDrive USB Adapter | FlexiDrive - Floppy Drive Update