MSI Z170A GAMING M3 Desktop Motherboard - Intel Z170 Chipset - Socket H4 LGA-1151 - ATX - 1 x Processor Support - 64 GB DDR4 SDRAM Maximum RAM - 3.60 GHz, 3.20 GHz, 3 GHz, 2.80 GHz, 2.60 GHz, 2.40 GHz, 2.13 GHz (O.C.), (O.C.), (O.C.), (O.C.), (O.C.), (O.C.) Memory Speed Supported - DIMM, UDIMM - 4 x Memory Slots - CrossFire Support - Serial ATA/600 - CPU Dependent Video - HDMI - Intel - 7.1 Audio Channels - Gigabit Ethernet - 2 x PCI Express x1 Slots - 2 x PCI Express x16 Slots - 8 x USB Po