1.ATX Industrial Motherboard supporting 32nm LGA1155 Intel Core i7/i5/i3 Sandy Bridge 2.4x PCI,1x PCIE X4,1x PCIE ... serial ports, etc.Specification: System Motherboard TypeATXProcessorSupport LGA1155 Intel®Core™ i7/i5/i3 Sandy Bridge processor,FSB 1333/1600MHz(Q77 support IVY Bridged)System Memory4x ... ,LINE-IN,CD-IN ATX Industrial Motherboard supporting 32nm LGA1155 Intel Core i7/i5/i3 Sandy Bridge