To find out the Samsung SSD serial number, the most common way is to take advantage of Command Prompt. How to perform Samsung SSD serial number check? In one word, the serial number is to the hard disk what the fingerprint is to the person. It is utilized by the operating system to identify and recognize the specific drive or disk. What is the serial number and what is it for?Ī serial number is a unique identifier assigned to a hard drive after formatting and this unique number usually consists of the exact time when it is formatted.