The good news is probably that Category 8 Class II (Cat-8.2) is all you need to run your 40 Gbit Ethernet network with standard twisted pair wiring.

CAT 6 and CAT 6e cables are fast enough and provide an excellent balance between performance, reliability, and price. I hope that clears up any confusion around the different types of Ethernet cables.

There are many different types of ethernet cables, each fulfilling a specific purpose. If you were browsing the internet in the 90s, you likely used a Category 3 cable to facilitate your connection.

Although Ethernet is generally considered to be a settled matter, its history was anything but peaceful, with its standardization process (under Project 802) leaving its traces to this very day. Th… ...