Electrical connector having variable length mounting contacts

An electrical connector is provided for mounting on a circuit board having first and second vias. The electrical connector includes a housing having a mounting face for mounting along the circuit board, and first and second signal terminals held by the housing. The first and second signal terminals include respective first and second mounting contacts extending outward from the mounting face of the housing. The first and second mounting contacts are configured to be received within the first and second vias, respectively, of the circuit board. The first mounting contact extends a different length from the mounting face of the housing than the second mounting contact.