BFG 680i SLI nForce Intel socket 775 DDR2 ATX
Processor: Supports Intel® Core™ 2 Extreme (dual and quad core), Core™ 2 Quad, Core™ 2 Duo, Pentium® D, Pentium® 4, and Celeron® D Socket 775 processors
Chipset: NVIDIA® nForce® 680i SLI™ MCP
Memory: Four 240-pin DIMM slots support up to 8GB of dual channel DDR2 PC2-4200/5300/6400 (533/667/800) system memory
Expansion Slots: Two PCI Express x16 slots, one x8 slot, two x1 slots and two 32-bit PCI slots
Serial ATA: Six SATA-2 connectors support up to 3Gb/s data transfer rate and RAID
IDE: One Ultra DMA IDE connector supports 33/66/100/133
Floppy: One Floppy Disk Drive connector supports up to 2.88M
Ethernet: Two 10/100/1000 Base-T Gigabit Ethernet (LAN) interfaces
USB: Ten USB 2.0 ports support up to 480Mb/s data transfer rate
FireWire: Two 1394a ports support up to 400Mb/s data transfer rate
Audio: Eight Channel 192kHz/32-bit High Definition Audio (HDA)
i got 2.4 GHz duo and over clocked it with this board to 3.05 GHz easy with stock cooling no heal problems board at 45c full load and pro at 44 c full load