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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I believe that the SQ of an Ethernet cable only really matters AFTER a HiFi switch (Bonn N8 on up)
If you have ain't got one don' worry 'bout it.
If you do I'd go with ViaBlue.
https://viablue.de/com/cables_ep7_ethernet_cat6a_t6s_rj45.php
Otherwise a Cat8 from Monoprice will deliver all you can get outta the wall.
basic Cat 5, up to 100Mbps

that's 100,000,000. bits per second. 

how does 40khz translate into bits per second?
You could probably get Cat 6 or 6a patch cable for the same price as 5e, try monoprice. What are you using now? Does it work? 
If you want to pay insane prices for Ethernet there is ample opportunity to do so. After a lot of research and/or rationalization I have come to the opinion that for ME either the Swedish Supra Cat8 ethernet cable available on eBay or if you want a more upmarket (?) cable, the DH Labs Reunion ethernet Cat8 cable offers the best bang for the buck. Has anyone been able to hear any SQ differences between the above cables and the $1000 cables from the high end cable makers?
You do not want to use ethernet to stream.
Use fiber.
Available on Amazon 25 meters for $30. 
Much better than metal.

Now you may have to break some drywall to install it.