HP Desktop HP 8200 Elite SFF Core i5 Quad-Core 3.30GHz 6 MB L2 Cache RAM 4GB 500GB SATA 1 DVD Multiburner Gigabit Enabled (1.00 Gbps) Local Area Network Capable Microsoft Windows 7 Professional (32-bit) License Only - No OS Installed U.S. English Desktop Small Form Factor Silver on Black