The HP Split 13 x2 Notebook 13-g118ca Supports Single and Dual Drive Configurations. (One mSATA Solid State Drive in the Tablet and One 2.5" Hard Drive in the Keyboard Base) Note: If the 2.5" Drive was not installed from HP in the keyboard base, you will need the 2.5" Drive hardware kit p/n 731424-001 (Includes: 2.5" Drive mounting bracket, cable and screws) for installation.