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That's because 10GbE tech is not there yet. Everything overheats and drops-out all the time, while 2.5GbE just works. In several years from now, this will all change, of course.


10GbaseT and SFP+ DAC are a world apart. The latter is now extremely power efficient. But even modern 10GbaseT parts are considerably improved


Speak for yourself. I have AQC cards in a PC and a Mac, Intel gear in my servers, and I can easily sustain full speed.




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