That is very strange, and I am not entirely sure why your machine is sluggish. My primary desktop PC (used for tasks far beyond what would be required by Lyrion and NAS) is a base Alder Lake Core i5.
But the requirement for running Lyrion and NAS is far lower, and yet still provide very responsive speeds and fully saturate the ethernet connections:
- LMS server: virtual machine with only 1 core and allowed 2 GB RAM (Debian headless)
- NAS server (XigmaNAS with ZFS file storage, no dedup), virtual machine with only 2 cores and fixed 8 GB RAM (FreeBSD headless)
In your case, I suspect the issue is Windows and perhaps some lingering RAM issues. But in either case, an i3 and at least 8Gb (ideally 16GB) of RAM on Windows should be more than powerful for running Lyrion Server and NAS service. And far more than sufficient under a Linux-based distribution.