A dedicated server is a single computer in a network reserved for serving the needs of the network. For example, some networks require that one computer be set aside to manage communications between all the other computers. A dedicated server could also be a computer that manages printer resources. Note, however, that not all servers are dedicated. In some networks, it is possible for a computer to act as a server and perform other functions as well.
Yes. If you currently have a VPS hosting account with us, you can upgrade to our dedicated hosting at any time by ordering a new server. For fully managed customers, we will migrate your data from your current account to your new server. You can also upgrade either your VPS or your dedicated server with Premium DNS, which improves both your security and performance.