Which lan port is Intel and which one is killer in my gigabyte z170x gaming 5?

Yusuf Il

Honorable
Aug 16, 2014
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In my gigabyte z170x gaming 5 it has 2 lan ports lan 1 and lan 2 I always plug my internet to lan 2 both called rj 45 does both same ? Which port use Intel and which use killer in my motherboard manual I can find only rj 45