This Intel D975XBX2KR motherboard is designed for casual computing and supports LGA 775/Socket T processors. It has four memory slots that allow for DDR2 SDRAM and it is compatible with Intel CPUs. The motherboard has PCI and 3x PCI Express x16 expansion slots, as well as input/output ports such as optical S/PDIF Out, PS/2, Serial (RS-232), Parallel (IEEE 1284), Ethernet (RJ-45), USB 2.0, and FireWire 400. This motherboard is perfect for those who are looking for a reliable and efficient performance for their computing needs. It is compatible with various Intel CPUs and has a Form Factor of ATX. The motherboard is sold as a motherboard only without backplate.

Support for an Intel® processor in the LGA775 package with 1066/800 MHz front side bus

• Four 240-pin SDRAM Dual Inline Memory Module (DIMM) sockets
• 800/667/533 MHz dual channel DDR2 SDRAM interface
• Support for ECC and non-ECC memory
• Designed to support up to 8 GB of system memory

• Two PCI bus add-in card connectors
• One PCI Express x16 connector (electrical x16 or x8)
• One PCI Express x16 connector (electrical x8)
• One PCI Express x16 connector (electrical x4)

Intel ® 82573L Gigabit Ethernet LAN controller with RJ-45 connector

• One front panel audio header (yellow)
• Up to eight USB 2.0 ports:
― Four ports routed to the back panel
― Four ports routed to two USB headers
• Eight Serial ATA channels (one device per channel):
― Four RAID capable Serial ATA (3.0 Gb/s) connectors (black) via the ICH7DH
― Three RAID capable Serial ATA (3.0 Gb/s) connectors (blue) via the Marvell RAID controller
― One RAID capable Serial ATA (3.0 Gb/s) connector via the Marvell RAID controller, compatible with an external Serial ATA drive (red)
• Up to two IEEE 1394a ports:
― One IEEE 1394a port routed to the back panel
― One IEEE 1394a header (blue)
• One IDE interface with ATA-66/100 support
• One diskette drive interface
• One parallel port
• One serial port
• RJ-45 LAN port
• PS/2 keyboard and mouse ports

ATX (304.80 millimeters [12.00 inches] x 243.84 millimeters [9.60 inches])