ASRock LGA2011-v3 Intel X99 Quad CrossFireX, Quad SLI, SATA3, AS3 and USB3.0 M.2 EATX DDR4 Motherboard X99 EXTREME11 LGA 2011-v3 Chipset: Intel X99 Memory: 8x DDR4-3200+(OC)/ 2933+(OC)/ 2800(OC)/ 2400(OC)/ 2133/ 1866/ 1600/ 1333/ 1066,Quad-Channel, Non-ECC, Unbuffered, Max Capacity up to 128GB Slots: 5x PCI-Express 3.0 x16 Slots (run at x16 or x16/x16 or x16/x16/x16 or x16/x16/x16/x16); 2x Embedded PLX PEX 8747 Multi-Graphics: Supports AMD Quad CrossFireX, 4-Way CrossFireX, 3-Way CrossFireX, CrossFireX & NVIDIA Quad SLI, 4-Way SLI, 3-Way SLI, SLI Technology SATA: 10x SATA3 Ports, Support RAID 0, 1, 5, 10 &Intel Rapid Storage 13 LAN: Intel I218V & I211AT Gigabit Ethernet Controllers Ports: 8x USB 3.0 Ports (4 rear, 4 via headers); 8x USB 2.0 Ports (4 rear, 4 via headers); 1x PS/2 Keyboard/Mouse Combo Port,1x Optical S/PDIF Out, 2x eSATA Ports, 2x RJ45 LAN Ports, HD Audio Jacks