The Acer Aspire V13 V3-371 Laptop comes in 2 Different Drive options from Acer and Supports Single Drive Configuration Only. (One 2.5" Solid State Drive or Hard Drive) or (One M.2 NGFF (2280) Solid State Drive in a Adapter Bracket) Note: When the M.2 Drive is Installed, the M.2 Drive occupies the 2.5" Drive bay using a adapter bracket. If replacing the 2.5" Drive for a M.2 Drive, you will need the M.2 adapter bracket and interposer board for installation. If replacing the M.2 Drive for a 2.5" Drive, you will need the 2.5" Drive caddy and cable for installation. (The M.2 slot supports SATA only Solid State Drives)