The HP 14 Notebook 14-ck1001tx 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 HP, you will need the 2.5" Drive bracket p/n L23219-001 and cable p/n L23187-001 for installation. (The M.2 slot supports SATA and PCIe NVMe Solid State Drives)