Some of the motherboards with the 12th Gen Intel processor need an additional driver for the drives being recognized on the Windows installation. You may need to load the "Intel Rapid Storage Technology" driver during the Windows installation for your SSD to be recognized.
1-Download the Intel Rapid Storage Technology Driver from this link.
https://download.msi.com/dvr_exe/mb/intel_rst_1...
2-Unzip the driver, then copy the folder "f6vmdflpy-x64" to the flash drive with the Windows installation
3-Boot your computer from the flash drive and proceed to the Windows installation until you reach the "Where you want to install Windows?" screen
4-Click on "Load driver"
5-Select the folder "f6vmdflpy-x64" and click on OK
6-Select the "Intel RST VMD Controller" and click on Next
7-Then you should be able to see your SSD and proceed with the custom installation of Windows
Note: This link is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.