The HP 14s Notebook 14s-dq0045nf Supports Single and Dual Drive Configurations Depending on the System Board Installed. (One eMMC Solid State Flash Drive) or on select models (One eMMC Solid State Flash Drive and/or One M.2 NGFF (2280) Solid State Drive) Note: On select models that have the eMMC Flash Drive Installed from HP, there may be a M.2 slot on the system board for dual drive configuration. Check your system board for this additional M.2 slot before ordering a M.2 Drive. (When present, the M.2 slot supports SATA Only Solid State Drives)