Dell 2.8 Ghz. Super Fast Optiplex Pro GX 1 Computer, Gigantic 750GB Hard Drive, 4GB RAM, CDRW/DVD Combo, Intel P4 Single Core Multimedia Desktop PC, includes New Licensed Windows XP 2 Operating System and Genuine Sealed CD, SP 3 Intel Pentium 4 3.0 GHz With Hyper Threading (very fast), 4 Gigabytes (GB) DDR RAM Memory, Gigantic 750GB Hard Drive DVD-RW Optical Drive (Plays and Records DVDs/Plays and Records CD's), 10/100/1000 LAN Networking and Internet (Cable-DSL Internet Ready) 8 x USB Ports Original Sealed Microsoft XP, Office Suite CDs included (Open Office is Microsoft Office compatible), Anti-Spyware and Anti-Virus Programs High Speed Internet Ready, Audio In & Out, Headphone In, Microphone In, Windows XP CD, Application, Driver, Manual CD Also Includes: Power cables, Keyboard, Mouse, Speakers