From this page, you can check the system resources allocated for your appliance and keep monitored their usage.
Resource usage
From the first section of the page you can monitor the Swap and RAM usage and the System Load Average.
Disks
In this section you can monitor how much disk space is available and how big is the appliance quarantine disk.
Hardware
In the last section are displayed all the virtual hardware information available such as the RAM size, the Swap size and vCPU(s) information (i.e. the Model and its Speed). Note: to make sure you are appliance is correctly sized, you can read the Technical Requirements documentation page.