Premium bandwidth generally refers to the high quality bandwidth that your server hosting company provides. This type of bandwidth are known for delivering more reliable connections and you won’t experience much technical or performance issues with them. Premium bandwidth comes in various qualities. Tier I is regarded as the best quality. The best server host will operate their owned physical network and do not depend on partnerships to offer you premium bandwidth. This ensures highest level of reliability. Of course, they come at a premium price but you can expect stellar performance and highest availability of your website and applications.