The Raspberry Pi 5 is the first in the Raspberry Pi series to support PCI Express (PCIe), and if you use a board that converts PCIe to M.2, you can recognize an M.2 SSD or set the M.2 SSD as the boot ...
Raspberry Pis are useful for all sorts of tasks, and there are plenty of potential projects you can use them for. Here are some to get you started.