Custom Plan Wizard - Feature Details Disk Space: Total disk (web) space that you can use on the server. Bandwidth: Total data traffic you can use monthly. Email Accounts: Number of POP3 email accounts you can use. MySQL: Number of MySQL databases you can use. SQL Server: Number of MS SQL databases you can use. Subdomain: Number of third level domain names you can use such as subdomain.domain.com ASP/ASP.NET: Support for Microsoft ASP and ASP.NET scripting languages. PHP: Support for PHP scripting language.