need help to Finish my first Rig of 8 GPU titan x? (perhaps somthing is missing?)

[Flomac]

You're really funny man...what did you expect? That's a standard so there is as much space between the cards as there always was. Don't get me wrong but it sounds like you're not too experienced. And an air dust for the GPU, what do you mean by that? You mean the filter in the front of the case?