The Lenovo IdeaPad 130-14AST Laptop Supports Single and Dual Drive Configurations. (One 2.5" Solid State Drive or Hard Drive in Internal Primary Bay and One 2.5" Solid State Drive or Hard Drive in Optical Drive Bay) Note: The second 2.5" Drive replaces the optical drive when Installed. If installing the second 2.5" Drive in replace of the optical drive, you will need the ODD bracket p/n 5B40R34389 and the 2nd 2.5" Drive board connector p/n 5C50R34410 for installation.