I forgot to add you can add drives of different sizes and just keep adding it down the road i gave a mix of 3,4, 6 and 8 tb drives over the years as they got cheaper
https://www.ebay.com/itm/235048854652?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=F-AmiLLESea&sssrc=4429486&ssuid=3UpN2UZVTVy&var=&widget_ver=artemis&media=COPYI believe this fits two drive you can expand it more if you transplant to a new case and psu. I’m at 8 drives
I use unraid and used it for Time Machine back ups.I also use it for smb shares. For captureone libraries and apps, like renpy gamesStart with 2 8tb wd red they’re 122$ on Amazon right now. One parity and one data. You’ll have 8 tb to use.Then pick up and eBay pc 8th gen or more from dell or Lenovo or hp for about 200. 8th get i5 allows a good plex setup for media sharing
I forgot to add you can add drives of different sizes and just keep adding it down the road i gave a mix of 3,4, 6 and 8 tb drives over the years as they got cheaper