asrock amd x470 chip set atx motherboard x470 taichi asrock rack 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, and is compatible with asrock’s u.2 kit for installing some of the world’s fastest u.2 pcie gen3 x4 ssd.