TDZRD48G3200HC16C01
Looks like you buy modules sold as Singles. Maybe someone else knows. The combinations you make are not guaranteed to be compatible together.
Manually setting memory frequency to 3200MHz without setting DRAM voltage is likely to result in the memory not working.
It appears you don't know how to properly set the memory in the BIOS.
Set BIOS to UEFI Only (page 66 BIOS Setup - manual)
NVMe drive is ONLY storage drive connected.
Install Windows 10 from USB with UEFI support:
https://www.windowscentral.com/how-create-windows-10-usb-bootable-media-uefi-support
Install Windows 10 from USB with UEFI support.
https://www.windowscentral.com/how-create-windows-10-usb-bootable-media-uefi-support
The M.2 drive is the only storage drive connected.