The Dell Inspiron 7472 Laptop Supports Single and Dual Drive Configurations. (One 2.5" Solid State Drive or Hard Drive and/or One M.2 NGFF (2280) or (2230) Solid State Drive) Note: The M.2 (2230) Drive uses a metal mounting bracket p/n C6D5W to accommodate for the larger M.2 (2280) slot. If the 2.5" Drive was not installed from Dell, you will need the 2.5" Drive bracket and cable for installation. (The M.2 slot supports SATA and PCIe NVMe Solid State Drives)