I'm running a box I put together in 2014 with an i5-4460 (3.2ghz), 16 GB of RAM, GeForce 750ti, first gen SSD, ASRock H97M Pro4 motherboard with a reasonable PSU, case and a number of fans. All of that parted out at the time was $700. I've never been more fearful of components breaking than current day. With GPU and now memory prices being crazy, I hope I never have to upgrade. I don't know how but the box is still g…
I have an industrial Mini-ITX motherboard of similar vintage that I use with an i5-4570 as my Unraid machine. It doesn't natively support NVMe, but I was able to get a dual-m2 expansion card with its own splitter (no motherboard bifurcation required) and that let me get a pretty modern-feeling setup with nice fast cache disks.