MSI MB-Z68MA45 LGA1155/ Intel Z68 B3/ DDR3/ CrossFireX & SLI/ SATA3&USB3.0/ A&GbE/ MATX Motherboard CPU: Socket 1155 Support Intel Sandy Bridge Processors Chipset: Intel Z68 (B3) Chipset Memory: 4x DDR3-2133(O.C.)/1866/1600/1333/1066 DIMMs, Dual Channel, Unbuffered, Max Capacity up to 32GB Slots: 2x PCI-Express 2.0 x16 Slots(run on x8, support CrossFireX & SLI), 2x PCI-Express x1 Slots SATA: 4x SATA2 Ports, support RAID 0/ 1/ 5/ 10, 2x SATA3 Ports, support RAID 0/ 1 Ports: 12x USB 2.0 Ports (6 rear, 6 by header), 2x USB 3.0 Ports, 1x PS/2 Port, 1x VGA Port, 1x DVI Port, 1x HDMI Port, 1x RJ45 LAN Port, Audio I/O jacks LAN: Realtek 8111E PCI-Express Gigabit Ethernet Controller Form Factor: MATX