Category 6a ethernet cable commonly referred to as cat6a is a cable standard for 10 gigabit ethernet the cable standard provides performance of up to 600mhz and is suitable for 10base t 100base tx fast ethernet 1000base t 1000base tx gigabit ethernet and 10gbase t 10 gigabit ethernet it is backwards compatible with previous standards such as cat6 cat5e and cat5 lszh low smoke zero halogen cable reduces the amount of toxic and corrosive gas emitted during a fire supports