DDR4 memory is finally in mass production, as Samsung Semiconductor announced it's mass producing 4GB modules, based on "20nm-class" process technology. 32GB sticks like the ones shown above are headed for the premium server market, where Samsung claims their higher speeds (up to 2,667 Mb/s) make for higher performance and 30 percent less power consumption than DDR3. The company claims this is the world's small
