MSI Pro Solution Intel Z170A  LGA 1151 DDR4 USB 3.1 ATX Motherboard (Z170-A Pro) Socket LGA 1151 for Intel 6th Generation Core/Pentium/Celeron processors Intel Z170 chipset 8 USB 3.1 Gen1 (aka USB 3.0) and 6 USB 2.0 ATX form factor 2 PCI-E 3.0 x16 and 4 PCI-E 3.0 x1 CrossFire ready DDR4 Boost Military Class 4 Components