Dell Optiplex 960 - Windows Pro (32 bit)- 4GB - DVDRW - Core 2 Duo - 3 GHz - 160GB HD - Radeon HD 3450 - SFF Intel Core 2 Duo - 3GHz Windows Professional 32Bit. Microsoft is discontinuing offering Windows 7; this product will be installed with either Windows 7 or Windows 10. / ATI HD 3450 Graphics Card with Y cable to run dual monitors. 4 Gigs RAM / 160GB Hard Drive DVDRW, Keyboard/Mouse & Power Cord SFF Form Factor