Gigabyte LGA2011-3 Intel X99 SLI ATX DDR4 3000 Motherboard GA-X99-SLI CPU socket : Support for Intel Core i7 processors in the LGA2011-3 package Memory socket: 8 x DDR4 DIMM sockets supporting up to 128 GB of system memory; 4 channel memory architecture Support for DDR4 3333(O.C.) / 3200(O.C.) / 3000(O.C.) / 2800(O.C.) / 2666(O.C.) / 2400(O.C.) / 2133 MHz memory modules Expansion Slots: 2 x PCI Express x16 slots, running at x16 ; 2 x PCI Express x16 slots, running at x8; 3 x PCI Express x1 slots Support for 4-Way/3-Way/2-Way AMD Crossfire/NVIDIA SLI technology 1 x SATA Express connector10 x SATA 6Gb/s connectors