No ssd found in disk utilities

I managed to create the usb installer, but when I boot into it and try to use disk utilities to format my ssd, it doesn't show it in the devices list. There are only some disk images and the usb media I created. Did someone have the same problem and knows how to solve it?

My hardware:
Gigabyte GA-Z170X-Gaming 5
Core i7-6700K
Samsung 850 EVO 500GB
Crucial Ballistix Sport LT (32GB)
Gigabyte GTX 970 G1 Gaming