This was my personal iMac floppy drive and it works with other computers using a USB connector -- if you have data on 3.5" drives there's no reason to consider them abandoned.
eBay
USB 3.0 front panel, floppy drive, location, expansion card, 19 pin/20 pin to USB 3.0, adapter cable
Aliexpress UK
They are sold as collectibles only. For your protection and ours, security stickers are added to all products and serial numbers are recorded.
eBay
1pc Motherboard Header Adapter Cord 19/20 Pin Usb 3.0 Female To 9 Pin Usb 2.0 Male Cable Converter Cd-Rom Floppy Drive Panel
Aliexpress UK
The emulator provides high level of data protection through USB port. It is complicated or even impossible to use the machine, without working floppy drive. Most Capable Slimline Floppy USB Emulator.
eBay
USB to 34Pin 26Pin Floppy Converter Cable 1.0MM FFC/FPC 34P To 26P USB To FLOPPY Disk Connector 896C
Aliexpress UK
Item might show scratches and/or blemishes due to normal wear and tear, Item has been tested to power on and also visually inspected for defects. Please see the listing pictures. If a part is not pictured, then it is not included in the sale. No cables are included unless they are shown in the photos.
eBay
USB Front Panel For PC 2 X USB 3.2 GEN1 5Gbps + 2 X TYPE-C Hub + 3.5Mm Headset+ TF/SD Slot For 5.25Inch Floppy Drive Bay
Aliexpress UK
For your protection and ours, security stickers are added to all products and serial numbers are recorded.
eBay
USB Front Panel For PC 2 Port USB 3.2 GEN1 5Gbps + 1 Port TYPE-C 10Gbps/20Gbps Hub For Desktop 5.25Inch Floppy Drive Bay
Aliexpress UK
Vintage Teac 3.5" Floppy Drive USB Custom Color Inserts Apple iMac G3 Macintosh. Shipped with USPS Ground Advantage. Open box~
eBay
Version SFR1M44-U100K USB Emulator Gray 3.5In 1.44MB USB SSD Floppy Drive Emulator for Electronic Keyboard for Windows
Aliexpress UK
EXTERNAL FLOPPY DISK DRIVE. WEIGHT: 2 LBS. OAD:6" X 4" X 1".
eBay
SFR1M44-U100 3.5in 1.44MB USB SSD Floppy Drive Emulator Plug and Play
Aliexpress UK
Condition is "Used". From old 12 needle happy single head. Last images for information purpose only.
eBay
2020 New 1.44MB 3.5" USB Cable Adapter To 34 Pin Floppy Drive Connector U Disk To Floppy Disk PCB Board
Aliexpress UK