Intel P4-3.2GHz (800FSB) LGA775, (2.0MB L2 Cache) Chipset: Intel 945G / ICH7R Memory: 4*DDR2 667/533/400 Upto 4GB (Dual Channel) Slots: 1*PCI Express X16, 1*PCI Express X1, 2*PCI Audio: Intel High Definition (Flexible 6-channel W/Jack Sensing) Audio Video: Intel Graphics Media Accelerator 950 LAN: Intel Pro 10/100/1000 Network Connection IDE: 1*ATA66/100; 4*SATA2(3.0GB/s) Ports With RAID 0,1,5,10 Ports: USB2.0 (4 Back Panel + 4 Port VIA 2 Internal Headers), IEEE 1394 Mid-Tower P4 Case 400Watt 512MB 667MHz DDR2 RAM 80GB, Serial ATA 150/7200 Fastest NONE SCSI Hard Drive 16x DVD ROM 16x DVD+/-RW ROM Dual Layer