4 x SATA III 1 x M.2 (2260/2280) - PCIe 5.0 x4 1 x M.2 (2260/2280) - PCIe 4.0 x4 1 x MCIO PCIe Gen5x4 2 x SlimSAS SFF-8654 (PCIe Gen4x4 or 4x SATA3)