Optiplex 9010 Desktop Intel core i5-3570 3.4GHz 8GB 500GB W7Pro Intel Core 3rd Generation i5-3570 Processor (6MB, 3.4GHz), Genuine Windows 7 Professional 64 bit Service Pack 1 8GB DDR3 Memory (2x4GB) 1600MHz / Intel Integrated Graphics 500 GB SATA Hard Drive (7200 RPM), 8X SlimLine, DVD+/-RW Internal speaker / 125V Power Cord / OptiPlex 9010 HF Small Form Factor Up to 90 Percent Efficient Power Supply USB 2 Button Mouse & Dell USB Entry Keyboard included in the box.