The Dell Latitude 14 9000 (9410) 2-in-1 Laptop Comes in 2 Different Drive Options Depending on the WWAN Card Installed and Supports Single Drive Configuration Only. (One M.2 NGFF (2230) Solid State Drive with the WWAN Card Installed) or (One M.2 NGFF (2280) Solid State Drive with No WWAN Card Installed) Note: When the M.2 (2280) Drive is installed, the larger M.2 (2280) Drive occupies the WWAN card slot space. (The M.2 slot supports PCIe NVMe Solid State Drives)