Atx Intel 915P Ex Intel D915PGN Intel 915P Socket 775 ATX Motherboard General Features: Socket 775 ATX form factor Intel 915P chipset Supports up to 4 GB of memory Intel High Definition Audio Four (4) on board SATA connectors Intel Precision cooling technology Expansionslots: Four (4) DIMM sockets Four (4) PCI slots Two (2) PCI Express x1 slot One (1) PCI Express x16 slot I/O ports: