Network cables are used for Internet connection with a modem or router, as well as within a local network. There are several types of network cables on the market—the most common are CAT5E and CAT6. There are also network cables with or without terminal connectors (bulk). Although wireless connection is quickly gaining popularity, there are still many cases when it is better to use a Wi-Fi network cable due to its better connection stability and speed—for example, when streaming 4K video from your NAS to Smart TV. Read on to learn more about what cables there are and how to choose them.