Your network is going to struggle with multiple uncompressed 4k video/audio streams regardless of what you have as a backbone. Wifi and uncompressed 4k just isn't going to happen even with the latest 802.11ac stuff. You're going to need to transcode on the fly.
I can run 4-6 1080 streams with comparable hardware. That same system struggles to deliver a single uncompressed 4k stream without transcoding on a solid and dedicated Cat6 gigabit network.
You're going to need a lot more cores and a lot more memory, not to mention lots of drives to do what you're asking.
Just for reference:
I'm running plex under Freenas on an E3 1231 V3 with 32GB and an x10 board with 6gb/s sas.
I'm also runing plex under ubuntu on a c2750 atom board with 32GB as a DVR.
both systems have arrays/volumes of 12 WD 8TB Red (5400) drives. Both can do 4-6 streams depending on whether somebody is watching live off of the tuners in ubuntu.
Edit 2:
If you're wondering which system can consistently handle more streams, it's the Ubuntu system. Plex seems to run much better there.
If you're wondering which system has been on constantly and stable for almost year, it's freenas.
I can run 4-6 1080 streams with comparable hardware. That same system struggles to deliver a single uncompressed 4k stream without transcoding on a solid and dedicated Cat6 gigabit network.
You're going to need a lot more cores and a lot more memory, not to mention lots of drives to do what you're asking.
Just for reference:
I'm running plex under Freenas on an E3 1231 V3 with 32GB and an x10 board with 6gb/s sas.
I'm also runing plex under ubuntu on a c2750 atom board with 32GB as a DVR.
both systems have arrays/volumes of 12 WD 8TB Red (5400) drives. Both can do 4-6 streams depending on whether somebody is watching live off of the tuners in ubuntu.
Edit 2:
If you're wondering which system can consistently handle more streams, it's the Ubuntu system. Plex seems to run much better there.
If you're wondering which system has been on constantly and stable for almost year, it's freenas.
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