ASRock ATX DDR4 NA Motherboard FATAL1TY X99X Killer/3.1 LGA 2011-v3 Chipset: Intel X99 Memory: 8x DDR4-3200+(OC)/ 2933(OC)/ 2800(OC)/ 2400(OC)/ 2133 DIMM Slots,Quad-Channel, Non-ECC, un-buffered,Max Capacity up to 128GB Slots: 3x PCI-Express 3.0 x16 Slots (dual at x16/x16, single at x8), 2x PCI-Express 2.0 x1 Slots, 1x Mini-PCI Express Slot Power Connector: 1x 24pin ATX Power Connector, 1x 8pin 12V Power Connector Form Factor: ATX