MSI Intel X79 ATX DDR3 2400 LGA 2011 ATX Motherboard X79A-GD45 CPU: Socket 2011 Supports 2nd Generation Intel Core i7 processors Chipset: Intel X79 Chipset Memory: 4x DDR3-2400(OC)/2133/1800/1600/1333/1066 DIMMs, Unbuffered, Quad Channel, Max Capacity Up to 64GB Slots: 3x PCI-Express 3.0 x16 Slots; 4x PCI-Express x1 Slots SATA: 4x SATA2 Ports, 2x SATA3 Ports, Support RAID 0/1/5/10 Ports: 10x USB 2.0 Ports (6 rear, 4 by headers); 4x USB 3.0 Ports (2 rear, 2 by headers); 2x IEEE 1394 Ports(1 rear, 1 by header); 1x PS/2 Ports; 1x Optical SPDIF-out; 1x Coaxial SPDIF-out; 1x RJ45 LAN port; Audio I/O jacks Power Connector: 1x 24pin main power connector, 1x 8pin CPU power connector Form Factor: ATX