nh-d15s

Hi, I currently have an X99 system with the i7-5820K, 16GB Quad-Channel RAM and the GTX 1080Ti. The air cooler has worked beautifully but it's a tight squeeze to install the GPU in he first slot (EATX). In theory, I could opt for another X8 slot, but isn't ideal. Also, I'm using the Evolv ATX...