Lenovo ThinkCentre M90z 23" All-In-One PC, Intel Pentium G6960 2.93GHz, 2GB RAM, 320GB HDD, Win 7 Professional (Upgradable to Windows 8 Professional) Number of Processors Supported: 1 Number of Processors Installed: 1 Processor Manufacturer: Intel Processor Type: Pentium Processor Model: G6960