Intel reported DDR4 will introduce technology to the market. While the computer is only used for servers and high end. As for the desktop to appear in 2015.
Server processors can be paired Haswell EX 4 socket processors, where each processor has 16 cores. DDR4 is faster than DDR3, DDR4 volt besides the use of only 1.2V.
Haswell 22nm and 14nm Broadwell socket will use the 1150 draft. Transition DDR3 to DDR4 cling together. Excellence in the future Intel processors already have L4 cache, so the MCM bus latency is very low.
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