MSI Z68A-GD55 (G3) LGA 1155, ATX DDR3 2133 Intel Z68, HDMI, SATA 6Gb/s, USB 3.0, Gen3 PCI-E, ATX Motherboard Socket LGA 1155 Intel Z68 (B3) chipset ATX Form Factor 2 x Gen3 PCI-E (16/0, 8/8) Support CrossFire and SLI