Patent ID: 8684769

Claim:
A first connector comprising: a first insulative housing defining a base member and a mating member extending forwardly from the base member in a mating direction, the mating member defining opposite first and second mating faces in a vertical direction perpendicular to said mating direction; a set of first upper contacts retained in the first housing and including an upper differential pairs and two upper grounding contacts located at two opposite sides of the upper differential pairs to be arranged upon the first mating face in a longitudinal direction; a set of first lower contacts retained in the first housing and including a first lower differential pairs, a second lower differential pairs and a lower grounding contact; and a first grounding plate retained in the first housing and disposed between the set of first upper contacts and the set of first lower contacts; wherein the first lower differential pairs each defines a first terminal portion and a first contacting section, the second lower differential pairs each defines a second terminal portion and a second contacting section, and the lower grounding contact defines a tail section and a first grounding arm, the first contacting sections, the second contacting sections and the first grounding arm are arranged upon the second mating face in the longitudinal direction under a condition that the two first contacting sections and the two second contacting sections are respectively disposed at two opposite sides of the first grounding arm, and the first terminal portions are arranged in a first row, and the second terminal portions and the tail section are arranged in a second row.