View supported processors for the most current list of compatible processors.

At product launch, this desktop board supports:

• Support for an Intel® Core™2 Extreme processor in an LGA775 socket
• Support for an Intel® Core™2 Quad processor in an LGA775 socket
• Support for an Intel® Core™2 Duo processor in an LGA775 socket
• Support for an Intel® Pentium® processor in an LGA775 socket
• Support for an Intel® Celeron® processor in an LGA775 socket
• Support for an Intel® Celeron® processor 400 sequence in an LGA775 socket

• Four 240-pin DDR3 SDRAM Dual Inline Memory Module (DIMM) sockets
• Support for DDR3 1333/1066/800 MHz DIMMs
• Support for up to 8 GBΣ of system memory

• Intel® P45 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

• Dual PCI Express* (PCIe) 2.0x16 slots with ATI Crossfire* technology support
• Full support of Next Generation ATI Crossfire

• 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

• Two PCI* Express 2.0 x1 and three PCI expansion slo