this post was submitted on 21 Feb 2026
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So is it some ports support 10, some support 100, and some support the full 1000? Or how does it work with the three different speeds?
All of the ports support all three speeds. When you first plug in, there is a quick round of negotiations where both sides basically say “Here are the speeds I can work, what about you?” Then they go with the highest that both support.