Dell OptiPlex GX620 Pentium 4 650 3.4GHz 1GB 80GB CDRW/DVD XP Professional Small Form Factor Dell OptiPlex GX620 Pentium 4 3.4 GHz Small Form Factor System General Features: Black and Gray Small Form Factor design Microsoft Windows XP Professional pre-installed w/CoA Intel Pentium 4 650 3.4 GHz CPU 1 GB of DDR2 SDRAM 80 GB SATA Hard Drive CD-RW/DVD-ROM Slim Drive No Floppy Drive Intel Graphic Media Accelerator 950 Integrated audio Broadcom BCM5751 10/100/1000 Gigabit Ethernet LAN with Remote Wake Up and PXE support