AS Rock LGA2011 Intel X79 DDR3 CrossFirex SLI SATA3 USB3.0 A GbE ATX Motherboard X79 PROFESSIONAL CPU: LGA2011; Supports Intel Core i7 Processor; Supports Intel Turbo Boost 2.0 Technology; Supports Hyper-Threading Technology; Supports Untied Overclocking Technology; 16 + 2 Power Phase Design Chipset: Intel X79 Memory: 4X DDR3-2600+(OC)/2133(OC)/1866(OC)/1600/1333/1066 DIMM Slots, Quad Channel, Non-ECC, Un-buffered, Maxi Capacity up to 32GB Slots: 4X PCI-Express 3.0 X16 Slots (X16/8/16/0 mode or X16/8/8/8 mode), 1X PCI-Express 2.0 X1 Slot, 2X PCI Slots SATA: 6X SATA3 Ports (two support RAID 0, 1, 5, 10; four support RAID 0, 1); 4X SATA2 Ports (Supports RAID 0, 1, 5, 10); 2X eSATA3 Ports Power Connector: 1X 24-Pin ATX Power Connector, 1X 8-Pin 12V Power Connector