Thecus N5550 and 4k mkv files



I have a Thecus N5550 with OS 7 4GB Ram and Plex Server and I try to stream 4k mkv to my Fire TV (2017). It always stops streaming. Any logs I can see what the problem is ?

Mny thans



It’s probably not powerful enough to transcode. Is the system maxed out when it happens?