There most probably will only ever be 1/2 stream at once
Movies are riped DVDs and Blue-Rays (546.89 GB)
TV shows are ripped DVDs and Blue-Rays (20.13 GB )
ability to access plex outside my house
Easy set up and easy to use Nas
Will be in my bedroom so no lights on a screen
Budget - Something that fits my needs im willing to pay for that
You might look into Unraid. It is a flexible NAS OS if you have a spare computer. I run my Plex on it without any issues but is a newer machine. If your only going to use it for a NAS then you don’t need anything very powerful.