The Dell Alienware x14 R2 Laptop Supports Single Drive Configuration Only. (One M.2 NGFF (2280) or (2230) Solid State Drive) Note: The M.2 2230 Drive uses a adapter bracket p/n 08K28J to accommodate for the larger M.2 2280 slot. The M.2 2280 and 2230 Drives use different thermal heat shields and cannot be interchanged. If installing a M.2 2280 Drive in replace of the M.2 2230 Drive, you will need the M.2 2280 thermal heat shield p/n 0R0HY5 for installation.