Powered by the Intel 865PE chipset, this Intel D865PEMA ATX motherboard is engineered for maximum performance and reliability! Key features include support for 400/533/800 MHz Front Side Bus and four 184-pin DIMM sockets with support for up to 4 GB of DDR RAM! This Socket 478 motherboard supports Intel Celeron Socket 478 processors with 400 MHz FSB and Intel Pentium 4 Socket 478 processors with up to 800 MHz FSB! Additional features include onboard audio and two Serial ATA (SATA) controllers! Expand with an AGP slot and five PCI slots! Enjoy fast computing and upgrade to this Intel Desktop Board D865PEMA!!