Physical Memory Report Problems

Physical Memory Report Problems

I configured Desktop Central to show me a report on the physical memory installed on my managed machines. It seems like the report is showing some other interpretation of the actual physical ram installed.
 
For example, if I install 4GB of RAM in a machine, the report will show me anywhere between 2995 and 3070 for 'Physical Memory (MB)' depending on the machine. I would actually like to see the actual amount of RAM that is physically installed.
 
Why is this behaving this way?
 
DC8 > Reports > Custom Reports > New Custom Report > Report Name = TEST, Sub Module = Computer, Select Criteria = blank, Select Columns = Physical Memory (MB).
 
I am running DC v80234.

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