GIGABYTE LGA 1151 Intel Z170 HDMI SATA 6Gb/s USB 3.1 USB 3.0 E-ATX Intel Motherboard GA-Z170X-Gaming G1 LGA1151, Supports 6th Generation Intel Core Processors Memory socket: 4 x DDR4 DIMM Slots: 2x PCI-Express 3.0 x16 Slots, 2x PCI-Express 3.0 x8 Slots, 3x PCI-Express 3.0 x1 Slots Support for 4-Way/3-Way/2-Way AMD Crossfire/NVIDIA SLI technology 3 x SATA Express connector10 x SATA 6Gb/s connectors E-ATX Form Factor; 30.5cm x 26.4cm