Dell Precision 390 Workstation Core 2 Duo E6600 2.4GHz 4GB 250GB CDRW/DVD XP Professional w/RAID Dell Precision 390 Core 2 Duo E6600 2.40GHz Workstation General Features: Microsoft Windows XP Professional pre-installed w/CoA Intel Core 2 Duo E6600 2.40 GHz processor 4 MB L2 cache, 1066 MHz FSB speed Intel 975X Express chipset 4 GB DDR2 RAM (8 GB maximum) 250 GB Serial ATA hard drive CDRW/DVD-ROM drive No floppy drive PCI Express DVI video card Integrated High Definition audio