The utility model discloses a QSFP DD high -speed signal electric connector, through conductive terminal injection moulding in collets, and (top and insulator like collets glue between the core to setup the accurate cooperation structure in location between collets and the gluey core of insulator, and between the adjacent collets), better fix the terminal, thereby ensure that the terminal has a good soldering tin foot position, then, promote the product quality of connector when guaranteeing high -speed transfer characteristic, guarantee high -speed signal transmission stability, realize leading -in automated production manufacturability.