The Intel® Desktop Board D975XBX is designed to deliver the best experience for advanced gamers and power-users. Based on the Intel® 975X Express Chipset and Intel® Pentium® processor Extreme Edition, this board delivers the ultimate performance for those seeking the most raw power. Enjoy intense, heart-pounding realism when playing the latest PC games with smooth, eye-popping graphics enhanced by ATI* CrossFire* support and crystal-clear Intel High Definition Audio. The Intel® Desktop Board D975XBX supports Intel® Viiv™ technology∇ and comes with the software required to help meet Intel® Viiv™ technology brand verification requirements.

Form Factor ATX (12.00 inches by 9.60 inches [304.80 millimeters by 243.84 millimeters])
Processor
Support for Intel® Core™2 Extreme Processor^ in an LGA775 socket with a 1066 MHz system bus
Support for Intel® Core™2 Duo Processor^ in an LGA775 socket with a 1066 MHz system bus
Support for Intel® Pentium® Processor Extreme Edition (in an LGA775 socket with a 1066 or 800 MHz system bus)
Support for Intel® Pentium® 4 Processor Extreme Edition supporting Hyper-Threading Technology† (in an LGA775 socket with a 1066 MHz system bus)
Support for Intel® Pentium® D Processor (in an LGA775 socket with a 800 MHz system bus)
Support for Intel® Pentium® 4 Processor supporting Hyper-Threading Technology† (in an LGA775 socket with a 800 MHz system bus)
View all supported processors
ATI* CrossFire* Multi-GPU Platform Support ATI CrossFire technology enables two ATI graphics cards to work together for ultimate 3D gaming performance and visual quality
Memory
Four 240-pin DDR2 SDRAM Dual Inline Memory Module (DIMM) sockets
Support for 667 and 533 MHz DDR2 DIMMs
Support for up to 8 GB of system memory
Support for ECC and non-ECC memory
Chipset Intel® 975X Express Chipset
I/O Control Legacy I/O controller for diskette drive, serial, parallel, and PS/2* ports
Audio Intel® High Definition Audio subsystem
LAN Support Gigabit (10/100/1000 Mbits/sec) LAN subsystem using the Intel® 82573E/82573L Gigabit Ethernet Controller
Peripheral Interfaces
Eight USB 2.0 ports
One serial port
One parallel port
Four Serial ATA interfaces with RAID support (four additional interfaces available with optional discrete RAID controller)
One parallel ATA IDE interface with UDMA 33, ATA-66/100 support
One diskette drive interface
PS/2 keyboard and mouse ports
Expansion Capabilities
Two PCI Conventional bus add-in card connectors (SMBus routed to both PCI Conventional bus add-in card connectors)
One Primary PCI Express* x16 (electrical x16 or x8) bus add-in card connector
One Secondary PCI Express* x16 (electrical x8) bus add-in card connector
One PCI Express* x16 (electrical x4) bus add-in card connector