this post was submitted on 28 Nov 2023
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The amount of transcodes your video card can do is dependent on the video card but I would suggest Nvidia. I have a 1660 super in my unraid machine and it uses a hacked driver so it can do more than it's usual number of trans codes which is limited by Nvidia to make you buy quadros. Usually I think it can do three or four I don't remember but now I really don't know how many can do I have had 8 simultaneous streams all going outside the house to different devices and the system didn't break a sweat.
All consumer Nvidia cards are limited by software to 1. Even a 4090. You need to hack the firmware and modify it to get more than 1 at the same time. Then with a Quadro card you are limited by the power. But it's not worth getting a 200€ GPU for 5 transcodes when you can have an 80€ CPU that does the same with the integrated iGPU. Not only, why do I need an external GPU that idles at 20/30W more when my Intel CPU can idle at 1/2W.
External transcodes are limited to 720p, so it's obvious your GPU is doing it fine. A G5400 can do around 21x1080p transcode at the same time, so 720p is probably double, for comparison.
You don't have to hack the firmware you just have to use a hacked driver. And what do you mean external transcodes are limited to 720p? I can watch 4K at work streaming from home on Plex. I also use my 1660 super for reencoding using tadarr and literally just tonight I was working on switching from Blue Iris to frigate and using my video card for AI. Also I do believe three is the limit of transcodes you can do on a consumer card not one.
I don't use Plex, but for what i know:
" Limitations
When relaying a connection through us, there are limitations for the streaming qualities you can use:
- Free users are limited to 1 Mbps maximum for streams
- Plex Pass subscribers are limited to 2 Mbps maximum for streams
If the content you’re trying to stream has a higher bitrate, then your Plex Media Server will need to transcode the content down to fit the limitation. "
https://support.plex.tv/articles/216766168-accessing-a-server-through-relay/
Anyway, those are all stuff an integrated iGPU can do, for a much lower power consumption. The point is, it's preferable avoiding spending more money in electricity bill and on HW to buy an external GPU.
I don't relay anything through plex servers, I can easily access my media from anywhere without their help. You don't seem to know what you are talking about.