Model Samsung MZ-ALQ1280 (PM991) Part Number MZALQ128HBHQ-000L1 / L2 Capacity 128GB Form Factor M.2 2242 (22mm x 42mm) Interface PCIe Gen3 x4 NVMe Sequential Read Up to 2,000 MB/s Sequential Write Up to 1,000 MB/s NAND Type Samsung 3D TLC V-NAND Compatibility Lenovo ThinkPad E/L/T Series, IdeaPad, Dell XPS (if 2242 supported) Key Warning NVMe Only (Not compatible with M.2 SATA slots)