Putting in 500 MHz-capable Cat-6A would give much more leeway (up to 400 MHz-requiring 10GBASE-T), with a healthy tolerance in the case of degraded cables. With the basics of spectral bandwidth ...

That speed comes with a price, however, as a Cat 6 cable is more expensive than Cat 5 and Cat 5e variants. The “a” in Cat 6a stands for “augmented.” Cables based on this standard are a ...