processor: intel core2 duo, pentium dual-core, celeron and 45nm(wolfdale)processors, socket t (lga775)chipset: intelg31 + ich7front side bus: 1333/1066/800/533(**) mhz fsbmemory: dual channel ddr2 800/667 x 2 dimms, max. 4gbvga on die: integratedexpansion slots: 1 * pcie x16, 1 * pciide: ata 100 x 1serial ata(sata)/raid: sataii x 2audio: 5.1 hd audio by realtek alc662-grlan: 10/100m lan by realtek rtl8101e-grieee1394: n/aback panel i/o ports: 1 x ps/2 keyboard port1 x ps/2 mouse port1 x vga port1 x serial port1 x audio jack supports 3 jacks4 x usb 2.0 ports1 x rj45 lan portinternal i/o connectors: 1 x atx 24-pin power connector1 x 4-pin atx 12v power connector2 x 4-pin cpu / system fan connectors1 x floppy disk drive connector1 x cd-in connector1 x front audio header1 x irda header1 x front panel connector2 x usb 2.0 connector support additional 4 ports2 x serial ataii connectors1 x ata100 connector1 x intruder alarm header1 x tpm header( reserved)1 x speakerbios features: 8mb flash eeprom w/ lan boot pnp, acpi, wfm, dmisupport cd: drivers, directx, adobe reader, superutilities, norton internet securitystandards/manageability: pci 2.3, usb2.0, dmi 2.5special features: ** please refer to our cpu support list for detailed 533 fsb cpusupportform factor: micro atx ( 9.6 x 7.2)