Currently I have the following setup on my Rampage IV Black Edition:
PCIe Slots:
1: Strix GTX980 @ x16
2: GTX680 @ x8
3: Strix GTX980 @ x16

if I put an ASUS RAIDR in slot 4, will slot 3 drop to x8? I'm pretty sure the answer is yes, but I'd like to see what the brain trust says. 🙂

CPU: i7 4930k