PLEX - My experience!
Where do I start?
Own a 2016 model Samsung 55KS7502 and PLEX running on my desktop (i7 CPU, great specs). Network bandwidth more than enough, just to get that out of the way.
1. - Constant buffering in movies.
2. - When not buffering, audio just disappears, have to stop/start or exit the PLEX app and re-launch it. Works for some time, then goes away again.
3. - Lots, and I mean LOTS of freezes in the Samsung PLEX app. Oftentimes, when trying to go back from a movie it freezes. Other times it freezes in the app in different menus, with no specific logic to it, it just does. Have to exit the app (sometimes even that's not possible!!) and re-launch.
Horrible experience using this app, don't understand what's why hype for it if it's this crappy.