HP Desktop HP 8300 Elite SFF Core i7 Quad-Core 3.40GHz Bus Speed 5.00GT/s 8 MB Cache RAM 4GB 1 TB SATA 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 Black