Gigabyte X99 mATX Motherboatd Micro ATX DDR4 2133 LGA 2011-3 GA-X99M-Gaming 5 CPU: Support for Intel Core i7 processors in the LGA2011-3 package Memory DIMMs: 4 x DDR4 DIMM sockets supporting up to 32 GB of system memory; 4 channel memory architecture; Support for DDR4 2800(O.C.) / 2666(O.C.) / 2400(O.C.) / 2133 MHz memory modules LAN: Qualcomm Atheros Killer E2201 chip (10/100/1000 Mbit) Expansion Slots: 2 x PCI Express x16 slots, running at x16; 1 x PCI Express x16 slot, running at x8; 1 x PCI Express x1 slot; 1 x M.2 Socket 1 connector for the wireless communication module Support for 2-Way AMD Crossfire/NVIDIA SLI technology