The HP EliteBook Folio 9470m Notebook PC Supports Single and Dual Drive Configurations. (One 2.5" Solid State Drive or Hard Drive and/or One mSATA Solid State Drive) Note: If the 2.5" Drive was not installed from HP, you will need the 2.5" Drive hardware kit p/n 702870-001 (Includes: 2.5" Drive bracket, connector and screws) for installation.