The Acer Swift 3 SF315-41G Laptop Supports Single and Dual Drive Configurations. (One 2.5" Solid State Drive or Hard Drive and/or One M.2 NGFF (2280) Solid State Drive) Note: If the 2.5" Drive was not installed from Acer, you will need the 2.5" Drive bracket p/n 33.GSLN5.004 and cable p/n 50.GSLN5.006 for installation. (The M.2 slot supports PCIe NVMe Solid State Drives)