Ethernet cable question


OK, at the risk of starting a big debate, I have just a dumb question: I see a lot of post talking about Supra 8 and Wireworld ethernet cables, so are you talking about cables making a direct run from your router? I have Cat 5 run throughout my house by me when our home was built 8 years ago. Everything is finished in the home and my sound room is not real close to where I have my network router/modem. So does the ethernet cable going from the wall to my Node 2i make any difference if inside the wall is only Cat5e?
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Zosion’s Cat 8 cable can capably and consistently support high-speed data transmission rates. In particular, this specific cord can support up to 2 GHz of frequency bandwidth, with up to 40 Gbps of data speed rates. In this case, I like how dependable this network cord is in terms of data speed capability.
I swapped out a 5 to an 8 and herd a real difference from my router to my streamer node 2i , one of the biggest upgrades Ive ever done , I got a Link up 22 awg cat 8 for $34 I couldn't believe it . 
I swapped out a 5 to an cat8 and herd a real difference from my router to my streamer node 2i , one of the biggest upgrades Ive ever done , I got a Link up 22 awg cat 8 for $34 I couldn't believe it , no BS. 

I just installed a new sotm sNH-10G switch with a Farad3 linear power supply and a AQ Hurricane source power cable...

Does anybody have an idea what the burnin time could be for these 3 components?

Thanks in advance.