Q&A Forum > > Reply To: When is it O.K., to use a CAT-6 Ethernet Patch Cable, where a CAT-5E, was ? Start a new discussion January 24, 2022 at 11:39 am #52103 TeamKomando:JohnParticipant @264458 You have nothing to worry about using Category 6 vs 5, 5e or 5e+ will make no difference or cause any issues in your existing setup. The plus part is a marketing term, and as time passes new standards come out, they have a Category 8 available these days.