Note that portable storage (disks, USB keys, SD cards, etc.) are best replaced with Online Storage.
USB key = USB flash drive = USB thumb drive = USB personal storage device = USB memory stick
You do not need a floppy drive. You do not need any floppy diskettes.
A 256MB USB key is MUCH MUCH faster (even with the old USB 1.1) and can hold the equivalent of about 200 floppy (1.44MB) diskettes.
A 32GB USB key (with USB 2.0 at 480Mbps or USB 3.0 at 5Gbps) can hold over 5000 floppy (1.44MB) diskettes.
Thunderbolt 5 is proprietary Intel technology; 80 Gbps bi-directional bandwidth or 120/40 uni-directional; 240W power delivery; supports PCIe Gen 4 throughput of 64 Gbp; compatible with DisplayPort 2.1; cables can have the same maximum length as TB4, two meters; TB5 doubles the networking bandwidth from 10 Gbps in TB4 to 20 Gbps; drive up to three 4K displays at a refresh rate of up to 144Hz with 10-bit color, or two 8K displays with a refresh rate of 60Hz and 10-bit color, from a single Thunderbolt 5 port.
As the new TB version is built on various industry standards, including USB4 80Gbps, it's fully compatible with USB4.
You should encrypting every portable storage device you own. BitLocker ...
Business editions of Windows (including Windows 10 Pro and Enterprise) allow you to encrypt these devices using a feature called BitLocker To Go. To perform the encryption, open File Explorer, right-click the icon for the portable storage device, and click Turn On BitLocker. (If you see Manage BitLocker, the drive is already encrypted.) Select the Use A Password check box, enter a strong, memorable password, and click Next to begin encrypting all local data.
If you're certain you'll only need to open the drive on PCs running Windows 10, choose the New Encryption Mode option. Otherwise, choose Compatible Mode, which uses an encryption algorithm that's compatible with older versions of Windows. (Sorry, you can't use a BitLocker-encrypted drive with MacOS or Linux.)
Note that you can't encrypt a removable drive on a PC running Windows Home edition, but you can unlock the encrypted drive and read its contents if you have the password.
Create and carry your own personal desktop environment with you on a USB flash drive, portable hard drive or iPod device, and run it on any PC without installation.
Ceedo Argo will install just about any application you can buy or download on your thumb drive as part of your Ceedo Personal. The company says its users have tested it with Microsoft Office, PageMaker, Quicken, even World of Warcraft, running all from the USB port. If you get Ceedo with a thumb drive, you have to buy Argo separately for $19.99; but if you buy Ceedo Personal direct, Argo is included.
The Portable Freeware Collection - Collection and cataloging of Windows freeware that can be extracted to any directory and run independently without prior installation. These can be carried around on a memory stick / USB flash drive, or copied / migrated from PC to PC via simple copying of files.