A connector comprising: a shell having a cavity configured to receive a single conventional insert having one or more contacts, said conventional insert having a conventional form factor; said form factor being defined as the dimensions of the periphery of the insert when viewed axially; said connector further comprising two or more modular inserts (611, 612); said each modular insert having at least: a housing having a front and rear orientation, an interior, and a front opening and a rear opening, an interface presenting one or more conductors, said conductors extending from said interface rearward through said rear opening and into a jacketed cable, said interface being disposed in said front opening of said housing; a crimp portion rearward of said rear opening, said jacketed cable being secured to said crimp portion, one or more seals (211, 214) sealing said front and rear opening such that said interior of said housing is sealed from environment, said one or more seals comprising a front seal between said interface and said housing; characterized in that each modular insert has a reduced form factor of l/x of said conventional form factor, such that said cavity is capable of receiving x number of said modular inserts, wherein x ranges from 2 to 4, wherein at least one modular insert comprises optical conductors and another of the at least one modular insert comprises electrical conductors. a shell having a cavity configured to receive a single conventional insert having one or more contacts, said conventional insert having a conventional form factor; said form factor being defined as the dimensions of the periphery of the insert when viewed axially; said connector further comprising two or more modular inserts (611, 612); said each modular insert having at least: a housing having a front and rear orientation, an interior, and a front opening and a rear opening, an interface presenting one or more conductors, said conductors extending from said interface rearward through said rear opening and into a jacketed cable, said interface being disposed in said front opening of said housing; a crimp portion rearward of said rear opening, said jacketed cable being secured to said crimp portion, one or more seals (211, 214) sealing said front and rear opening such that said interior of said housing is sealed from environment, said one or more seals comprising a front seal between said interface and said housing; a housing having a front and rear orientation, an interior, and a front opening and a rear opening, an interface presenting one or more conductors, said conductors extending from said interface rearward through said rear opening and into a jacketed cable, said interface being disposed in said front opening of said housing; a crimp portion rearward of said rear opening, said jacketed cable being secured to said crimp portion, one or more seals (211, 214) sealing said front and rear opening such that said interior of said housing is sealed from environment, said one or more seals comprising a front seal between said interface and said housing; characterized in that each modular insert has a reduced form factor of l/x of said conventional form factor, such that said cavity is capable of receiving x number of said modular inserts, wherein x ranges from 2 to 4, wherein at least one modular insert comprises optical conductors and another of the at least one modular insert comprises electrical conductors.