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My main reason for using Fiber or DAC's is because of the power consumption. Running 10G-BaseT uses about 3x the amount of power

Plus, I always think fiber is cool

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True. That said, fiber can be painful to deal with. Electrical isolation is one big benefit, as is power savings, and of course forward-compatibility. I still prefer running copper for residential, especially because you don’t have to be as careful about bend radius and such.

Within my rack I use DACs to connect all the gear, which works well since it allows maximum performance over short runs with minimal effort.

Nice setup though, my comment wasn’t meant to criticize, I think having a proper network at home is a big boost to quality of life that most folks don’t realize because they’ve never experienced it.

Surplus 10G switches at good prices are likely to be sfp+ and not 10g-baseT at this point in time, too. DAC for same rack is a no brainer at that point. To the rest of your house depends on what you've got in the wall and how easy it is to put new stuff, I guess. I'm running 10G-baseT between my two network cabinets, because there's no economical way to pull anything else, and there's no reason to go for more than 1g other than fun.

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