Dell Desktop Optiplex GX620 Pentium 4 Single-Core 2.80GHz Bus Speed 400MHz 512 KB Cache RAM 1GB No Hard Drive DVD Multiburner Gigabit Enabled (1.00 Gbps) Local Area Network Capable Intel GMA 950 Dynamic Video Memory Technology 3.0 Microsoft Windows XP Professional (32-bit) License Only - No OS Installed Mini Tower Silver on Black