A hermaphroditic high speed data contact set having an insert shroud and a termination subassembly. A plurality of protective arms extend from its front to protect contact beams of the termination subassembly and provide multi-stage pre-alignment of contacts during engagement. A plurality of raised bosses engaged with a plurality of hollows in the bottom of an adjacent insert shroud to allow stacking of contact sets. A pair of latches lock the insert shroud into a module after insertion. A pair of keying members on the sides of contact set prevent incorrect insertion of a contact set into a module.