An electrical connector includes an insulative housing having a base and a plurality of periphery walls extending upward from the base to define an inner cavity. A fastening assembly includes a retention plate pivotally assembled with a rear end of the insulative housing and a latch assembled at a front end of the insulative housing, the latch including a retention arm assembled in the periphery wall, a linking portion extending upwardly from the retention arm, and a handle portion extending from the linking portion and having a bottom surface locking the retention plate and a top surface for operating.