First MacMini

Hi everyone

I´d like to build a mac mini.
Here is what I have selected for the build so far, do you think this will work? Am I missing something?
Just for Office and watching movies
My Parts

GA-H170N
Crucial 8gb ddr4 2133MHZ
intenso ssd 128gb
i3 6100
Noctua NH-L9i
Case Cooltek Coolcube
bequiet sfx power 2 300w



Can i just use this installation guide ? Should i notice something ?
UniBeast: Install macOS Sierra on Any Supported Intel-based PC