CPU 1. Supports Intel Core2 Extreme Quad-Core / Core2 Duo / Intel Pentium Extreme/ Intel Pentium D processors 2. Supports1333/1066/800 MHz FSB Chipset 1. Northbridge: Intel P35 Express Chipset 2. Southbridge: Intel ICH9R 3. Gigabit Lan Controller 4. 8 Channels ALC889A Audio controller Memory 1. Supports DDR2 1066*/800/667 memory 2. Dual Channel architecture supports up to 8GB by 4 DIMM slots Expansion Slots 1. 1 PCI Express X16 slot 2. 3 PCI Express X1 slots 3. 3 PCI slots Form Factor 1. ATX form factor, 305 x 210mm Internal I/O Connectors 1. 1 x 24-pin ATX main power connector 2. 1 x 4-pin ATX 12V power connector 3. 1 x floppy disk drive connector 4. 1 x IDE connector 5. 8 x SATA 3Gb/s connectors 6. 1 x CPU fan header 7. 2 x system fan headers 8. 1 x power fan header 9. 1 x front panel header 10. 1 x front panel audio header 11. 1 x CD In connector 12. 1 x S/PDIF In header 13. 2 x USB 2.0/1.1 connectors (supports 4 ports) 14. 1 x chassis intrusion header 15. 1 x power LED header Back Panel Connectors 1. 1 x PS/2 keyboard port 2. 1 x PS/2 mouse port 3. 1 x coaxial S/PDIF Out connector 4. 1 x optical S/PDIF Out connector 5. 8 x USB 2.0/1.1 ports 6. 1 x RJ-45 port 7. 6 x audio jacks (Center/Subwoofer Speaker Out/Rear Speaker Out/Side Speaker Out/Line In/Line Out/Microphone) BIOS 1. Supports Virtual DualBIOS 2. 1 x 8 Mbit flash 3. Use of licensed AWARD BIOS 4. PnP 1.0a, DMI 2.0, SM BIOS 2.3, ACPI 1.0b Unique Features 1. Ultra Durable 2 Motherboard 2. All Japanese manufactured solid 3. Over-clocking Enhanced