UGREEN NAS DH2300 2-Bay Desktop NAS,Network Attached Storage (Diskless) Bundle Cat 8 Ethernet Cable 10FT, High Speed Braided 40Gbps 2000Mhz Network Cord Cat8 RJ45 LAN Cables

Keep it simple and cheap. https://www.amazon.com/UGREEN-Attached-Diskless-Ethernet-Shielded/dp/B0GMKJHHGL and get a mini PC, point it at the NAS for storage and have it run Plex for Plexamp/movies and TV if you want. Plexamp will make it easy to stream music outside of your network as well, it works out of the box so you can stream music outside of your home network. For simple instances like this there's no need to build your own NAS and experiment (unless you want to). The ugreen is about as plug and play as it gets. Plop a few hard drives in it and it does the rest.