# Utilization

## Navigation

1. Right-click on the Persistent Storage Device (PSD) card and then select PSD Details.

2. In the contents pane, do one of the following:

- To launch the Memory Details dialog box, double-click on the System Information folder and then select Memory Details.

- To launch the File Systems dialog box, double-click on the System Information folder and then select File Systems.

3. With a table entry selected, click one of the following buttons:

   - In the Memory Details dialog box, click Memory Utilization.

   - In the File Systems dialog box, click Disk Utilization.

From the Utilization dialog box, you can view a graph which indicates how much storage space is currently in use on the PSD card.

The following information is displayed:

- Used Space (Used Space)

- Free Space (Free Space)

Used Space (Used Space)

Indicates the amount of storage space currently in use on the PSD card. The value of this object is calculated using the following formula:

Used Space = hrStorageUsed * hrStorageAllocationUnits

Free Space (Free Space)

Indicates the amount of storage space currently available on the PSD card. The value of this object is calculated using the following formula:

Free Space = (hrStorageSize – hrStorageUsed) * hrStorageAllocationUnits