[citation][nom]blazorthon[/nom]If you'd rather pay almost $800 for 8GB DDR3-3000 over say $40 for 16GB DDR4-3000 or even faster and higher capacity for such a price, then there might be little reason for DDR4 for you DDR4 is bringing the capability of extremely high capacities compared to what we have today at much lower prices for various reasons, perhaps none more impacting in this way than the chip stacking.[/citation]it is just an overclock DDR3, it is going to get cheaper anyway. 2133 was super expensive back then, 1600 was also very expensive.
other than APU/iGPU, I could not see a reason to switch over to DDR4 when 1 single stick of 1333 is capable to feed 4 Ivy bridge cores for most mainstream user.