Home > Storage > Data Storage Essentials > DataIQ and CloudIQ > Dell APEX AIOps Infrastructure Observability: A Detailed Review > Block Object Details – Capacity
The Capacity tab for Unity XT family, SC Series, and PowerVault block objects provides details for the capacity being used including Data Reduction savings and capacity utilization by Snapshots. The Historical Trend shows the capacity changes over time helping users identify increasing trends to anticipate future capacity usage.
The Capacity tab for a PowerStore volume provides provisioned, logical used, physical used, and free capacities along with a capacity trend and forecast.
The Capacity tab for an XtremIO volume does not support the historical trend. Volume Size, Physical Used, and Free metrics are graphed as shown below.