PRIME Z390-A - Asus

2 x PCIe 3.0/2.0 x16 slots (supports x16, x8/x8, x8/x4+x4, x8+x4+x4/x0) Intel® Z390 Chipset 3 x PCI Express 3.0/2.0 x1 slots - PCIEX16_1 slot supports up to 3 Intel® PCIe NVME SSDs via a Hyper M.2 X16 series Card. - PCIEX16_2 slot supports up to 2 Intel® PCIe NVME SSDs via a Hyper M.2 X16 series Card* 1 x PCIe 3.0 x16 slot (max. at x4 mode

  Card, Prime, Z390, Hyper, Asus, Prime z390 a, Hyper m, 2 x16