The Asus ROG Strix ZX53VD Laptop Supports Single and Dual Drive Configurations. (One 2.5" Solid State Drive or Hard Drive and/or One M.2 NGFF (2280) Solid State Drive) Note: If the 2.5" Drive was not installed from Asus in the primary drive bay, you will need the 2.5" Drive bracket right p/n 13030-00900000 and bracket left p/n 13030-00900100 for installation. (The M.2 slot supports SATA only Solid State Drives)