I recently purchased a GTX 1080 Aero however whenever plugged into a system it reads 'PLEASE POWER DOWN AND CONNECT THE PCIe POWER CABLE(s) FOR THIS GRAPHICS CARD' on the screen. I have tried multiple power supplies and 2 motherboard but the issue is persistent. I have also noted the GPU 6 pin power which seems rather odd. All other cards I look at seem to be 8pin at least.