Gigabyte LGA1151 Intel Z170 ATX DDR4 Motherboards GA-Z170X-Gaming 3 LGA1151, Supports 6th Generation Intel Core Processors Memory: 4x DDR4 DIMM Slots, Dual Channel Slots: 1x PCI-Express 3.0 x16 Slots, 1x PCI-Express 3.0 x8, 1x PCI-Express 3.0 x4, 2x PCI-Express 3.0 x1 Audio: Realtek ALC1150 7.1-Channel High Definition Audio CODEC Storage Interface: 3 x SATA Express, 6 x SATA 3, 2 x M.2 USB: 1 x USB 3.1 (A+C) ports; 7 x USB 3.0 ports; 6 x USB 2.0 ports