Quote Originally Posted by allegate View Post
How it is with Plex? That's the thing is I have a semi-large library and would want the one that can take the videos. If I can start using raw MKV files instead of having to transcode everything that would be awesome.
I'll be honest: I have zero experience with Plex. I still copy stuff onto a USB stick; I have yet to need to convert anything with my Sony 4K Blu-ray player (including x265).

Quote Originally Posted by allegro View Post
The Rokus make me nuts because they freeze more than ANY of my other devices, because they want to run at 2.4 ghz and, like @eversonpoe said, they’re flash drives with an HDMI port and no processor or cache.
The Ultra is much better (and more stable) than the sticks. It has an ARM Cortex A53 processor.