The Dell Precision 5760 Mobile Workstation Supports Single and Dual Drive Configurations. (Two M.2 NGFF (2280) or (2230) Solid State Drives) Note: Both M.2 slots support M.2 (2280) and (2230) PCIe NVMe Generation 4.0 x4 and 3.0 x4 Solid State Drives. The M.2 (2230) Drive uses a adapter bracket p/n 07HMH to accommodate for the larger M.2 (2280) slots.