ASRock Z390 Phantom Gaming 4 supports 9th and 8th Gen Intel Core processors, up to 64GB DDR4 4300MHz+ (OC). With 2 PCIe 3.0 x16, 3 PCIe 3.0 x1 supports AMD Quad CrossFireX. Equipped with M.2 slot that supports both SATA3 6Gb/s and PCIe Gen3 x4 Ultra M.2 interface that pushes data transfer speeds up to 32Gb/s.