Intel Z790 Chipset 1 x PCIe 4.0 x16 slot (supports x4 mode) 1 x PCIe 3.0 x1 slot
torage Supports 5 x M.2 slots and 4 x SATA 6Gb/s ports*
Intel Core Processors (14th & 13th & 12th Gen) M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode)
Intel Z790 Chipset M.2_2 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode) M.2_3 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode) M.2_4 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode) M.2_5 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 & SATA modes) 4 x SATA 6Gb/s ports