To play off what others are saying i think a mini pc and a stand alone nas may be the better route for you. It may seem counter intuitive to break it out into two devices but doing so will allow room for growth. If you buy a creeper bare bones mini pc and put more of your budget towards a nas and storage you could expand the mini pc without messing with your nas. You could keep the pi in the mix for a backup if your main pc is down or offload some services to it to balance performance.
I’ll apologise now for the tiktok link, i know how much this place hates tiktok but here is a woman who did a deep dive and found evidence that the company actually changed their logo and tried to scrub the existence of the Cornucopia from the internet to distance themselves from Bad PR.
https://www.tiktok.com/@dimelifting/video/7311071477732838687