LGA1151 Supports 9th and 8th Generation Intel Core Processors Chipset Intel Z390 Memory 4x DDR4 DIMM Slots Dual Channel NonECC Unbuffered Max Capacity of 64GB Slots 2x PCIExpress 30 x16 Slots run single at x16 or dual at x16x4 3x PCIExpress 30 x1 Slots Flexible PCIe MultiGraphics Supports AMD Quad CrossFireX CrossFireX Technology