The compact ADATA SD810 external SSD is rugged, fast at everyday tasks, and inexpensive, making it an obvious choice if you have a computer that supports its USB 3.2 Gen 2x2 interface.
LaCie's Rugged Mini SSD has the same iconic pumpkin-orange bumper as most of its other ruggedized offerings, but it's a smaller, more portable design. It's a good choice if your computer has a USB-C port that supports USB 3.2 Gen 2x2.
The Crucial X10 Pro external SSD is a go-anywhere data carrier, with ruggedness cred, 256-bit AES hardware-based encryption, and all the speed most users will need.