The Dell Vostro-3360 Laptop Supports Single and Dual Drive Configurations. (One 2.5" Solid State Drive or Hard Drive and/or One mSATA Solid State Drive in the WWAN Slot) Note: If Installing a 2.5" Drive, you will need the 2.5" Drive caddy p/n 2DFMK and cable p/n 92DPC for installation.