A connector for connecting with a serial ATA socket is described, the socket having end walls and an indent in each end wall. The connector has an insulated elongated member, the member having a first wall, an opposite second wall, first and second side walls and an insertion end. A plurality of contacts within the insulated elongated member extend in the direction of the insertion end. A locking member is located at least at one side wall for securing the connector to a socket. The locking member comprising a latching finger attached to the side wall. The latching finger extends in the direction of the insertion end of the insulated elongated member. The latching finger has a ridge directed towards the opposite side wall in the extended portion of the latching finger.