Dell Optiplex 755 Tower Computer, Featuring Intel Insanely Fast and Powerful 2.66GHz Core2 Duo Processor (Amazing 4MB Cache), 2GB DDR2 Interlaced High Performance Memory, Extra Large 500GB Super Fast 7200RPM SATA Hard Drives, ATI High Density X1300 XT PCIx16 Dual Out Video Card, DVDRW/CDRW, DVDRW+/- 16X SATA MultiRecorder, Intregrated Lan/Audio, Onboard Video, Wireless Capable, Windows XP Professional Restore Disk, Windows 7 Capable