Comment by eqvinox
7 hours ago
It's inherently worse than anything fibre, or even DAC cables (which are kinda cheating.) It needs a shitton of analog "magic" to work with the bandwidth limitations of copper cabling.
7 hours ago
It's inherently worse than anything fibre, or even DAC cables (which are kinda cheating.) It needs a shitton of analog "magic" to work with the bandwidth limitations of copper cabling.
Okay. Sure. But why do we notice that on 10GbaseT and on 1? Is there some signal processing which is exponentially expensive at faster speeds? I’ve seen cards using 25W per port.
Just wondering why you considered DAC cables cheating, is the analog magic mainly the impedance matching or I'm missing something?