The Lenovo ThinkBook 15p IMH Laptop Supports Single and Dual Drive Configurations. (Two M.2 NGFF (2280) or (2242) Solid State Drives) Note: Both M.2 slots support M.2 (2280) and (2242) Drives by moving the standoff bracket p/n L81Y6 to accommodate the form factor. (Both M.2 slots support PCIe NVMe Solid State Drives)