An electrical connector is provided in the present invention, including an insulating housing, multiple power terminals and multiple signal terminals. The insulating housing has at least one upright power receptacle body and at least one upright signal plug body parallel to the power receptacle body. Wherein the power receptacle body forms an upright power port on a front surface thereof, and the signal plug body forms at least one signal port on a front surface thereof. Each power terminal has a plate-shaped base plate, at least one spring connection end and multiple tails. The power receptacle body and the signal plug body of the present invention are designed to be upright for saving the edge space of a circuit board. Moreover, the electrical connector of the present invention also has a character of zero insertion force by controlling the length of the signal terminal and the power terminal.