Intel DG31GL Essential Series G31 Desktop Board, uATX, DDR2 800, Intel Graphics, 1066MHz FSB, LGA775, Retail Motherboard Board Form Factor: microATX Socket: LGA775 Memory Types: DDR2-800/667 PCIe x1 Gen 2.x: 2 and PCIe x16 Gen 2.x: 1 USB 2.0 Configuration (Back + Internal): 4+4