128GB, 256GB, 512GB, 1TB M.2 (1620) PCIe NVMe 3.0 x4 Solid State Drive (integrated on system board)
Drive Notes
The Dell XPS 13 7390 2-in-1 Laptop Supports Single Drive Configuration Only. (One 1620 Onboard Solid State Drive) Note: The 1620 Solid State Drive is integrated on the system board and can not be replaced or upgraded.