Gigabyte Motherboard GA-Q170M-MK SupportsIntel Core i7/ i5/ i3/ Pentium/ Celeron Processors Chipset: Intel Q170 Express Memory: 4x DDR4-2133 DIMM Slots, Dual Channel, ECC, Non-ECC, Unbuffered, Max Capacity of 64GB Slots: 2x PCI-Express 3.0 x16 Slots (one runs at x4), 2x PCI-Express 3.0 x1 Slots Multi-Graphics: Support for AMD 2-Way CrossFireXTechnology