Yeah, 10Gb ethernet runs hot. I just rewired the house with 10Gb (we have 8Gb FTTP) and it's kind of upsetting how hot my Thunderbolt dock gets.
Which dock (brand/model) did you get?
I redid everything that matters in my house/homelab with DAC cables for exactly that reason. Order of magnitude difference in watts and heat
> it's kind of upsetting how hot my Thunderbolt dock gets.
I have seen the same with just usb-c multi-port dongles for macbooks (the ones they give you at work along with the macbooks).
in fairness to the docs/dongles though, they have an incredible amount of features that would have been science-fiction twenty years ago.
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I looked in to it and it seemed like 10gbit was much better over fiber. Ended up deciding that 2.5gbit is plenty. The 2.5 gear is significantly cheaper and runs cool.