MicroATX (9.60 inches by 9.60 inches [243.84 millimeters by 243.84 millimeters])

At product launch, this desktop board supports:

• Support for an Intel Core2 Quad processor in an LGA775 socket
• Support for an Intel Core2 Duo processor in an LGA775 socket
• Support for an Intel Pentium dual-core processor in an LGA775 socket
• Support for an Intel Celeron dual-core processor in an LGA775 socket
• Support for an Intel Celeron processor 400 sequence in an LGA775 socket

• Four 240-pin DDR2 SDRAM Dual Inline Memory Module (DIMM) sockets
• Support for DDR2 800/667/533 MHz DIMMs
• Support for up to 8 GB  of system memory

• Intel G45 Express Chipset

Intel High Definition Audio subsystem in the following configuration:

• 8-channel (7.1) audio subsystem with five analog audio outputs and one optical S/PDIF digital audio output using the IDT 92HD73E audio codec

Intel Graphics Media Accelerator X4500HD onboard graphics subsystem with integrated HDMI + DVI-I display ports

Gigabit (10/100/1000 Mbits/sec) LAN subsystem using the Intel 82567LF Gigabit Ethernet Controller

• Up to 12 USB 2.0 ports (6 back ports and 6 via headers)
• Six Serial ATA 3.0 Gb/s ports, including 1 eSATA back port with RAID 0, 1, 5, 10 support
• Two IEEE-1394a ports (1 external port, 1 internal header)
• Consumer IR receiver and emitter (via internal headers)
• One serial port via header

• One PCI Express* x16 bus add-in card connector
• Two PCI Express* x1 bus add-in card connectors
• One PCI Conventional* bus add-in card connector