I bought these to create a set of discs to install the operating system, including a backup installer to reinstall Windows 10 Home Edition (in case I factory reset my laptop reset) , and an installer for Ubuntu 20.04, Kubuntu 20.04, and some other flavors of Linux. This disk worked with both Windows (where I backed up the installer) and Mac OS (the system where I downloaded and wrote Linux installers). On a freshly installed Linux I've also found them to work. In short, they're broadly compatible (I've noticed in the past that some other competing USB sticks have been formatted to not work with multiple operating systems.). And they also have enough space to create operating system installation disks and to back up software and documents (however, backing up a whole collection of music, videos and photos would probably be a different story. For that, you might want to consider a more expensive external hard drive or cloud service supporting such backups).
Samsung BAR Plus 128GB - High-Speed USB 3.1 Flash Drive Titan Gray (MUF-128BE4/AM)
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Compact and Convenient: SanDisk Cruzer Fit USB 32GB Flash Drive (SDCZ33-032G-A11)
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Kingston DataTraveler SE9 32GB USB 2.0 Flash Drive for Reliable Data Storage (DTSE9H/32GBZ)
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32GB SanDisk USB Flash Drive (SDCZ430-032G-A46)
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8TB Seagate Backup Plus Hub Desktop Hard Drive with Data Recovery Services
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2 TB External HDD ADATA DashDrive Durable HD650, USB 3.2 Gen 1, Blue
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18 TB External HDD Western Digital WD Elements Desktop, USB 3.0, black
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π Seagate Expansion 3TB Portable USB 3.0 External Hard Drive (STEA3000400) in Black
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