Designed with the Public Sector in mind, this Lenovo ThinkCentre M79 delivers superior manageability, robust reliability, and offers unique security features. Powered with a powerful AMD A8 PRO-7600B processor, a 500GB hard drive and 4GB RAM, this desktop can effortlessly keep up with your fast-paced daily needs. In addition, choosing this M79 Desktop will also keep operating costs low thanks to its ENERGY STAR rating. Desktop Features Processor: 3.1 GHz AMD A8 PRO-7600B Quad-Core Processor Memory: 4 GB of DDR3 SDRAM Storage: 500GB Hard Disk Drive Graphics: AMD Radeon R7 graphics card Operating System: Windows 7 Professional