The hard drive serial number (Serial Number, abbreviated as SN) is the unique identifier for the hard drive, used to identify and track the device.

To view the hard drive serial number on a Windows system, open Command Prompt and run the following command:

wmic diskdrive get model,serialnumber
View Hard Drive Serial Number
View Hard Drive Serial Number

The yellow part is your hard drive's model name, and the red part is the hard drive serial number;