For Requesting server upgrade :-
2. Choose the server you want to upgrade
3. On the page that appears, click the Request Server Upgrade link. You will see the templates with available dedicated servers.
4. You may select the Get a quote for custom upgrade option and manually fill out custom server configuration.
Or, you may choose from the list of available templates (to view server details, click a template name)
5.After you click Submit, your request will be sent to the H-Sphere admin. You will be notified about a charge for this upgrade.