Cat 8 is overkill for most, but if you want the best of the best in terms of shielding and performance, it's as good as it gets. This particular gold-plated version comes in sizes from 1.5 to 150 feet ...

Most people treat Ethernet as just a cable for internet, but it can power devices, wake computers remotely, and run entire networks behind the scenes.

The smallest cable in the chain can cap your network.