The HP 14 Notebook 14-dk0010ca Comes in 2 Different Drive Options from HP and Supports Single Drive Configuration Only. (One 2.5" Solid State Drive or Hard Drive) or (One eMMC Solid State Flash Drive using a Adapter Bracket) Note: When the eMMC Flash Drive is installed, the eMMC Flash Drive occupies the 2.5" Drive bay using a adapter bracket. If replacing the eMMC Flash Drive for a 2.5" Drive, you will need the 2.5" Drive caddy p/n L24490-001 and cable p/n L23187-001 for installation.