Z87-GD65 Boot Problems With 16GB installed

Hi All,

My machine spec

16gb Corsair Vengeance Pro
MSI GTX 780 Twin Frozr Gaming
Corsair RM850 power supply
SanDisk extreme II 240GB SSD
MD Bios 1.8 default settings.

and that's all I have plugged in the board at the moment.

The problem is once I add ...