The present invention is to provide a hybrid connector essentially formed with an RJ45 configuration while further equipped with an MPO device wherein the receptacle connector includes an insulative housing defining an RJ45 receiving cavity and a holder assembly located behind the housing. The holder assembly includes a holder and a printed circuit board is assembled upon the holder with a plurality of transformers thereon. A plurality of contacts are retained by and connected to the printed circuit boar with corresponding resilient contacting sections extending forwardly into the receiving cavity. An MPO device is retained in the holder with corresponding optical fibers forwardly directed toward the receiving cavity.