GIGABYTE Motherboard ATX DDR3 2600 LGA 1151 GA-Z170-HD3 DDR3 CPU: LGA1151; Chipset: Intel Z170 Express Memory: 4x DDR3-3200(OC)/ 3100(OC)/ 3000(OC)/ 2933(OC)/ 2800(OC)/ 2666(OC)/ 2400(OC)/ 2133(OC)/ 2000(OC)/ 1866(OC)/ 1600/ 1333MHz DIMM Slots, Dual Channel, ECC, Non-ECC, Unbuffered, Max Capacity of 64GB Slots: 2x PCI-Express 3.0 x16 Slots (one runs at x4), 2x PCI-Express 3.0 x1 Slots, 2x PCI Slots SATA: 6x SATA3 Ports Ports:8x USB 3.0/2.0 Ports (4 rear, 4 via headers), 6x USB 2.0/1.1 Ports (2 rear, 4 via headers), 1x PS/2 Keyboard/Mouse Combo Port, 1x VGA Port, 1x DVI-D Port, 1x HDMI Port, 1x RJ45 LAN Port, Audio Jacks Form Factor: ATX