Yes, but it probably doesn't matter since it seems that network performance was the root cause. I was just considering transcoding performance if you found that network performance wasn't the cause.
Jellyfin 10.10.7 (Docker)
Ubuntu 24.04.2 LTS w/HWE
Intel i3 12100
Intel Arc A380
OS drive - SK Hynix P41 1TB
Storage
4x WD Red Pro 6TB CMR in RAIDZ1