For some reason, you may want to know what is your internal hard disk model number and serial number without opening out the computer.
Here you can make use of the Windows DOS command lines to check these infomations.
To find hard disk serial number, type the following command line:
wmic diskdrive get serial number
To find hard disk model number, type the following command line:
>diskpart
>list disk
>select disk < #>
Where <#> is refer to disk number
>detail disk

Quick Command Line to Check HDD Serial Number and Model
Command Line Check HDD Serial number:
wmic diskdrive get serialnumber
Command Line to Check HDD Model number:
wmic diskdrive get model