2nd/3rd Gen Intel® Core i7/i5/i3/Pentium®/Celeron® Processor LGA 1155 Intel® H61 Chipset 1 x PCIe 3.0**/2.0 x 16 Slot HDMI, D-Sub port Dual-channel DDR3 2 x DIMMs 1 x PCIe Slot, conformed to PCI v2.3 specification 4 x serial ATA (SATA) connection port GbE LAN 6 x USB 2.0 1 x 3 in Audio Port (line In/Iine Out/Mic In) m-ATX (16.8 x 21cm)