The Dell G5 5510 Gaming Laptop Supports Single and Dual Drive Configurations. (Two M.2 NGFF (2280) or (2230) Solid State Drives) Note: The M.2 (2280) and (2230) Drives each use a unique thermal bracket and cannot be interchanged. The M.2 (2230) Drive uses thermal bracket p/n 0FJ75H and the M.2 (2280) Drive uses thermal bracket p/n 026X1Y. Both of the M.2 slots support M.2 (2280) and (2230) Drives by moving the drive mounting bracket p/n 0X8MY9 to accommodate the form factor. (Both M.2 slots support PCIe NVMe Generation 3.0 x4 Solid State Drives)