We've found one piece cat6 rj45s from a company called professional cable. The connectors work great with snaps cat6. Look like traditional cat5 crimp(not EZ) and has dividers that keep conductors and pins in order but cause the solid colors to shift up and striped to shift down. Have used them for data and HDBaseT with no issues. They require a bit of finesse to put on but easier than the three piece type.

[Link: myprofessionalcable.com]