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I spent ~$35 on new cables and my LAN speed increased 6x (sh.itjust.works)

submitted 1 month ago by anonymouse2@sh.itjust.works to c/selfhosted@lemmy.world

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After seeing that my wireless speeds were much faster than the speeds I was getting over Ethernet, I decided to invest in some new cables. I didn't know it before, but I saw while I was changing them out that my current cables were Cat 5e. While putting my network together, I had just been grabbing whatever cables I could find in my scrap drawers. Now I have Cat 8 cables and my speeds jumped from 7MB/s to an average of over 40MB/s. It's a much bigger improvement than I expected, especially for such a small investment.

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[–] TCB13@lemmy.world 4 points 1 month ago* (last edited 1 month ago) (1 children)

CCA wasn't probably your issue there, CCA is actually becoming the standard everywhere because copper is way too expensive and to be fair not needed with modern hardware.

You most likely issue with that CCA is the AWG size you picked, cheap cable is usually 24, 26 or even 28 AWG and those will be bad.

If you want PoE or anything gigabit or above you need to pick 23 AWG. This is considerably cheaper than full copper and it will work fine for the max. rated 100m. Either way, cheap 26 AWG should be able to deliver gigabit and PoE at short distances like 20 meters or so.

Another important thing is to make sure your terminations are properly done and the plugs are good. Meaning, no Cat5e connectors should be used, always use staggered ones:

[–] RelativeArea0@lemmy.world 1 points 1 month ago (1 children)

Thanks, I think I got 24awg cca before I swapped them to pure copper, and now I also think, I wanna re crimp all of my connectors using staggered ones lol

[–] TCB13@lemmy.world 2 points 1 month ago* (last edited 1 month ago)

I've done my fair share of long runs of Cat6e 23 AWG with PoE and they all work fine and gigabit on distances like 100 meters or close. Sometimes even slightly above that.

Staggered will reduce the failure rate by a lot, specially if you're into gigabit speeds or anything above it. Although I know from experience that you can get gigabit on non-staggered connectors it won't always happen on the first try. On long distances the noise caused by having the wires side by side may also cause problems.

Btw, if you've small patch cables don't use solid core for those, those should be stranded cables and they'll be more flexible, less likely to break when bent and less prone to bad contacts.