Dell Optiplex 960, 2.83GHz, Quad Core, 1 Terrabyte HD, 4gb RAM, + extras Computer recently built and Windows 7 Pro Operating System is fully updated with extras. See details below: - Dell Optiplex 960 with Intel Core 2 Quad CPU, 2.83 GHz Includes: - 1 Terrabyte Hard Drive, 4 GB RAM (has two 2-GB memory cards so 2 slots remain open if you want to add more memory) NOTE: Hard drive is brand new, remaining components fully tested and working great. - DVD-ROM, DVD-R/W, PCI-E x16 slot - Windows 7 Professional (includes all updates: SP1 OEM license key installed and activated, all available patches applied) ** Important note - machine comes with its own Windows 7 Pro unique product key for activation so has its own legitimate license ** - Internet Explorer 11, Google Chrome, and Firefox installed, Microsoft Security Essentials (antivirus software), Dell Support Assistant and all Dell drivers, plus latest A18 BIOS. - Dell Recovery Backup software installed (so if CPU ever crashes, you can restore to original condition) Computer tower body is in very good condition with only minor scuff marks to surface. Includes power cord NOTE: the computer does not come with a built-in WiFi adapter; however, Amazon sells a USB plug-in variety for less than $15 which I have tested and found works well with the computer. ** Optional Add Ons available ** $5 - 6-ft dvi-dvi cable $15 - Add-on graphics card (ATI RADEON HD 3450, 256mb) plus monitor splitter cable which enables you to connect computer to either one or two monitors, as desired. Note: This model graphics card requires the splitter cable so it is a 2-part package Location: We are in McLean Virginia near the intersection of Route 123 and Great Falls Street