Many home music server users will use either NAS from Synology ( e.g. DS200j) or QNAP. ( e.g HS-453DX) with perhaps disks from WD Red series or Seagate Ironwolf. You will also need to install MinimServer UPnP server software.
Some of us have found particularly good results from Melco music library products which are built for music rather than general home media use. In a way they resemble Aurender by also being USB streamers but they can ( intentionally) be used as NAS and have a direct connection option which obviates the need for the connection to the DAC/network streamer being via a switch. They come with MinimServer pre-installed. It all depends on what you want to spend.
There has been a lot of discussion hereabouts on connecting cables , so read up on them , for example:
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