The Dell Latitude-5330 Laptop Supports Single Drive Configuration Only. (One M.2 NGFF (2280) or (2230) Solid State Drive) Note: The M.2 slot supports both M.2 (2280) and (2230) Drives by moving the Solid State Drive holder to accommodate the form factor. (The M.2 slot supports PCIe NVMe Generation 4.0 x4 and 3.0 x4 Solid State Drives)