The Acer Spin 5 SP515-51GN 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 47.GK9N5.001 and cable p/n 50.GK9N5.001 for installation. (The M.2 slot supports SATA and PCIe NVMe Solid State Drives)