Hi I am a newcomer to the world of gaming . Recently I have a G1 SNIPER B6 motherboard , added 8 GB Corsair Vengeance RAM and a Sapphire R9 280X 3 GB dualx oc graphics card . I am running a Intel core i7 4790K processor . DUe to the ever increasing demand of games i want to add another Sapphire R9 280X 3 GB dualx oc graphics card . Will my motherboard support it ? Please reply.