Biostar Motherboard Intel X79 Express Chipset ATX DDR3 1066 LGA 2011 Motherboards TPOWER X79 CPU: Socket 2011; Supports 2nd generation Intel Core i7 Processors; Supports up to 130W CPU TDP Chipset: Intel X79 Express Chipset Memory: 4x 240pin DDR3-2400(OC)/2133(OC)/1866(OC)/1600/1333/1066 DIMM Slots, Quad Channel, Max Capacity up to 32GB Slots: 3x PCI-Express 3.0 x16 Slots (x16, x16, x8, supports ATI 4-way CrossFireX & 3-way SLI); 2x PCI-Express 2.0 x1 Slots; 1x PCI Slot SATA: 4x SATA3 Ports, 3x SATA2 Ports, 1x eSATA2 Port, Supports RAID 0, 1, 5, 10 LAN: Realtek RTL8111E 10/100/1000 Gigabit Ethernet Controller Ports: 7x USB 3.0 Ports (6 rear,1 header); 4x USB 2.0 Ports(2 rear, 2 headers); 1x PS/2 Keyboard Port; 1x eSATA2 Port; 1x Optical S/PDIF Out; 1x RJ45 LAN Port; Audio I/O Jacks Form Factor: ATX