Thinkpad P 1Gen3 is equipped with solid-state non-recognition.

If you add a new hard disk to an old computer, you need to add equipment to it. Set the drive letter to identify it.

Solid-state hard disk (SSD), also known as solid-state hard disk, is a hard disk made of solid-state electronic memory chip array.

Solid-state hard disks are completely the same as ordinary hard disks in interface specifications and definitions, functions and usage methods, and basically the same in product appearance and size (the emerging solid-state hard disks in U.2 and M.2 forms are completely different from SATA mechanical hard disks in size and shape).