Product Detail Intel Desktop Board D955Xcs Socket 775 BTX Motherboard General Features: Extreme Series board Intel 955X Express chipset BTX Form Factor Socket775 1066/800 MHz Front Side Bus (FSB) Supports up to 8 GB Dual Channel DDR2 RAM (667/533 MHz DDR2) One (1)UDMA/66/100 IDE controller One (1) floppy disk controller Four (4) Serial ATA (3.0 Gbps) ports Four (4) Serial ATA (1.5 Gbps) ports - 3-YEAR DIRECT WARRANTY . The "Intel Motherboard 955X Express chipset BTX BOXD955XCSLKR " is best product for you. We recommended Intel Motherboard 955X Express chipset BTX BOXD955XCSLKR