Mini PCs have gotten so good that the usual “upgrade checklist” can feel a little stale. If you already have enough CPU for your workloads and storage that is not constantly redlining, adding more RAM ...
The easiest way to set up a NAS (network-attached storage) device is to buy a COTS (commercial off-the-shelf) system from an established company like Synology, QNAP, Asustor, or Terramaster. But folks ...