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 w Windows Vista Business COA.  Item powers on, buzzes, and fan lights come on.    

Bin: 21I-KSUSAL 

Inventory ID: C-P6200, C-B6201, C-T6202, C-G6203, C-P6204, C6205, LP6206 

Rack: 24.2