Intel 845G chipset with 266 MHz Double Data Rate (DDR) memory 256MB installed(2slots one open)Intel Pentium 4 2.8GHz 512K cache 533MHz FSB4slotx4bay Desktop 3xFull lenght PCI, one full AGPUp 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