While generating a HW inventory, it's possible to see that the entries are shown duplicated, as shown here:
Client Automation 14.5
This is caused becasue some fields selected for this Report, part of the HW inventory, have multiple entries. As example, when selecting "Processors[All]" can cause this:
Because this specific entry, when looking directly on the HW Inventory section, has 4 entries:
This is causing that the Agent(s) with 4 processors will be shown 4 times.