The Dell Latitude 3190 2-in-1 Laptop Comes in 2 Different Storage Configurations from Dell and Supports Either 1 or 2 Drives. (One M.2 NGFF (2280) Solid State Drive) or (One eMMC Flash Drive with One M.2 (2230) Solid State Drive Slot) Note: Models equipped with a M.2 (2280) Solid State Drive are upgradable. Models equipped with a eMMC Flash Drive have a additional M.2 slot that supports M.2 (2230) Solid State Drives. the eMMC Flash Drive is integrated on the system board and can not be replaced or upgraded.