The best budget Mini-ITX case is the Hyte Revolt 3, as it's reasonably priced for a small and handy chassis. I've spent a serious chunk of time jamming components into a wealth of Mini-ITX cases ...

The PC case is vital since it will hold and protect all your sensitive (and expensive) hardware. The most common form factor is the mid-tower. It's a medium-sized chassis that supports up to E-ATX ...

These small PCs often show up on the surplus market for a very good price, but they aren’t quite full-blown PCs. They usually have little option for expansion and are made to be cheap and small.