The Lenovo 5SS0V42253 Samsung PM991 is a solid-state drive for notebook storage. It is identified by Lenovo part number 5SS0V42253 and Samsung model reference MZALQ256HAJD-000L2, helping distinguish this particular drive from other PM991 versions.
It provides 256GB of storage and combines an M.2 form factor with a PCIe interface. The 2242 form factor describes this drive’s physical size, while PCIe specifies its connection interface. Together, these details identify a compact notebook SSD for storing files and applications.