AS Rock Socket 2011 Intel X79 DDR3 Quad SLI Quad Crossfire SATA3 USB3.0 GbE ATX Motherboard X79 EXtreme9 CPU: Socket 2011 Supports Intel Core i7 Processor; Support Hyper-Threading & Untied Overclocking Technology Chipset: Intel X79 Memory: 8X DDR3-2400+(OC)/2133(OC)/1866(OC)/1600/1333/1066 DIMMs, Quad Channel, non-ECC, un-buffered, Maxi capacity up to 64GB Slots: 5X PCI-Express 3.0 X16 Slots(run at X8, NVIDIA Quad/ 3-Way/ SLI & AMD Quad/ 3-Way/ CrossFireX), 1X PCI-Express 2.0 X1 Slot SATA: 4X SATA2 Ports, Support RAID 0/ 1/ 5/ 10; 8X SATA3 Ports(two Support RAID 0/ 1/ 5/ 10, six Support RAID 0/ 1); 2X eSATA3 Ports Ports: 12X USB 2.0 Ports (6 rear, 6 by headers); 8X USB 3.0 Ports (4 rear, 4 by headers); 1X PS/2 Port; 2X eSATA3 Ports; 2X IEEE 1394a Ports (1 rear, 1 by headers); 1X RJ45 LAN Port LAN: Broadcom BCM57781 PCI-Express X1 Gigabit Ethernet Controller