Intel 845G chipset with 266MHz PC2100 Double Data Rate (DDR) memory 256MB installed(2slots one open)Intel Pentium 4 2.8GHz 512K cache 533MHz FSB4slotx3bay DesktopUp to 2GB of DDR system memory support Integrated video graphics support Intel Extreme Graphics(up to 32MB with 128mb main memory-64MB with 256MB+)48X CDROMIntegrated 10/100 ethernetUltra ATA 100 40GB 7200RPMWindows XP ProIBM Embedded Security Subsystem 2.0