Strix B660-A What is the 4 pin power plug for? Book said plug 8 pin or connect 8 & 4 pin in. Its on the board it must power something could it be why i cant get system to boot with more than one RAM module?

How well should my pc perform. Can I be competitive in first person shooter games. Here is what I have: Hero mother board. Corsair Vengeance 16GB 1600MHz DDR3. Intel Core i5 4670K LGA 1150 3.4 GHz 6MB cache overclocked @ 4.4GHz. NVIDA GeForce GTX ...