Not really the newer ones use the 3 wires (phase, neuter and earth). I have one and reach 400-600Mbps in a really old building with really long and shitty cabli

Not really the newer ones use the 3 wires (phase, neuter and earth). I have one and reach 400-600Mbps in a really old building with really long and shitty cabling. Ping is 5ms more than pure Ethernet though.