I purchased a lot of computer equipment from a university IT department.  Most of the operating systems and hard drives have been removed.  I really don't know much about computers or the specs.  Please view the pictures for what you will receive. 

Item: Dell Optiplex 755 Model: DCSM Desktop Computer.  Item powers on, buzzes, and fan lights come on.    

Bin: 21I-KSUSAL 

Inventory ID: C-Y6207 

Rack: 24.8