Please critique this build- i7 + 980ti

First of all this site is awesome! I felt compelled to donate after reading for days. This is my first hack build - so I tried to use as many parts from the guide as possible. I'm kinda worried about the m.2 drives, but I read there is a way to get them to work? If not, I can use them elsewhere.

Let me know what you think!

Intel i7 6700K
Cryorig H7 Cooler
Gigabyte GA-Z170X-UD3
Gigabyte GeForce GTX 980 Ti G1 Gaming (GV-N98TG1)
Samsung 850 250gb M.2 SSD (Windows)
Samsung 850 250gb M.2...

Please critique this build- i7 + 980ti