Hello everyone,
A (hopefully) quick hardware question:

We are building up new worstations and have 2 x EVGA GTX 980 Ti (superclocked) cards per workstation and i7 4790k.
The motherboard of choice is the Asus z97 Pro Gamer. (which we already have here)

It has 2x PCIe 3.0 X16 (single x16 / dual x8 ...