Gigabyte LGA2011-3 Intel X99 ATX Broadwell-E Motherboard GA-X99-Phoenix SLI DIMM Supports Intel Core i7 6950X Processor Extreme Edition Support Intel Turbo Boost Max Technology 3.0 Quad Channel, Registered / Non-ECC Unbuffered DDR4, 8 DIMMs Intel USB 3.1 with USB Type-C Support Best 3-Way / 2-Way SLI & CrossFire Support Spacing