WA sure does seem to take the black art of cable manufacture seriously. When they read the Cat 6 specification, they knew they couldn’t just keep building the cables the way they used to.

A network cable can be marked and sold as Category 6A ... In general use you will find Cat-6(A), as well as Cat-7(A), with the latter being mostly advertised for fixed installation (using the ...

making it a better overall cable. These improvements make Cat6 a little more expensive, but its backward compatibility and higher quality make it by far the better choice for your network upgrades.