The Dell Inspiron 15 7000 (7500) Laptop Supports Single and Dual Drive Configurations. (Two M.2 NGFF (2280) or (2230) Solid State Drives) Note: Both of the M.2 slots support M.2 (2280) and (2230) Drives by moving the drive mounting bracket to accommodate the form factor. (Both M.2 slots support PCIe NVMe Generation 3.0 x4 Solid State Drives)