MSI ATX DDR4 3000 LGA 2011-3 Motherboards X99S SLI Krait Edition Socket LGA 2011-3 for Intel Core i7 Extreme Edition processors Intel X99 chipset ATX 4 PCI-E 3.0 x16 and 2 PCI-E x1 3-way SLI and CrossFire ready 1 Turbo M.2 slot (32 Gb/s) and 1 SATA Express slot (10 Gb/s) for SSDs OC Engine OC Essentials