Dell Optiplex GX745 Fast Intel Pentium 4 3.0 GHz, Plenty 80GB HDD Storage, Fast 2 GB DDR2 RAM, Gigabit Network Card, Windows XP Pro Dell OptiPlex GX745 Pentium 4 3.0 GHz, &nbsp;PC General Features: Microsoft Windows XP Professional pre-installed w/COA Intel Pentium 4 3.0 GHz processor 2 GB of RAM (expandable up to &nbsp;8 GB's) 80 GB SATA hard drive DVD ROM drive No floppy drive No PS/2 ports Integrated ICH7 AC'97 audio chipset Integrated Intel Graphics Media Accelerator Broadcom Gigabit Ethernet LAN