In general, Plex Media Server doesn’t require large amounts of RAM. 2GB of RAM is typically more than sufficient and some installs (particularly Linux-based installs) can often happily run with even less. Of course, more RAM won’t hurt you and will certainly be helpful if you’re also doing other things on the computer.What is a Plex Media Player?
Plex Media Player is a media center utility developed to work with any Plex server and currently requires an active Plex Pass Subscription.What is a Plex app?
Plex is also a media center application – that is, a program that makes it easy to access your media. Plex acts as an organizer, content discovery tool, and portal to all of the content on your server – as well as to streamable content from outside of your personal collection. This latter feature comes courtesy of “channels,” or in-program apps.