Gigabyte Intel LGA 2011-3 X99 4way SLI/CrossFireX Gaming Wi-Fi Intel/Killer LAN ATX Motherboards GA-X99-GAMING G1 WIFI LGA 2011-v3 Chipset: Intel X99 Express Memory: 8x DDR4-2133/ 1866/ 1600/ 1333 DIMM Slots,Quad-Channel, Non-ECC, Max Capacity up to 64GB Slots: 4x PCI-Express 3.0 x16 Slots (two run at x8), 3x PCI-Express 2.0 x1 Slots, 1x M.2 Slot (M.2 Wi-Fi) Multi-Graphics: Support for 4-Way/ 3-Way/ 2-Way AMD CrossFire & NVIDIA SLI Technology SATA: 10x SATA3 Ports, Six Support RAID 0, 1, 5, 10, Four Support IDE and AHCI modes only; 1x SATA Express Port Form Factor: EATX, 30.5 x 25.9 cm Socket: LGA 2011-3 4 way SLI/CrossFireX 12 USB 3.0, 6 USB 2.0 Socket: LGA 2011-3 4 way SLI/CrossFireX ddr4