Asus Sabertooth Z87 with Samsung 970 pro with PCIE adapter

Hello!

this is regarding: Asus Sabertooth Z87 with Samsung 970 pro with PCIE adapter

I have installed the hardware, i can install windows 10 / OpenSUSE, Antergos onto the new NVME SSD but i cannot boot from it. please help me.
there are no boot options at all, i used the default settings during the installation.

i have the latest official bios.