Intel has reportedly slated launch of its Optane DIMM for the second half of 2018. The Optane DIMM marks the biggest change in computer memory in over two decades, and heralds the era of "persistent memory," which combines the best characteristics of DRAM and NAND flash, in that it has the speed and low-latency of DRAM, but the persistence (ability to store data in the absence of power) of NAND flash. Combining the two will be made possible with improvements to the speed and latency of 3D XPoint memory. Intel is currently selling consumer SSDs based on the technology, and has increased production of 3D XPoint chips.
Intel presented the Optane DIMM at the 2017 USB Global Technology Conference. It described Optane DIMM as a primary storage device that will function as a memory-mapped device, but with much higher storage densities than what's possible with current DDR4 DRAM. The enterprise segment, as usual, will have the first take of the technology, with Intel targeting the exascale computing (supercomputers nearing ExaFLOP/s compute throughput) industry, trickling down to other enterprise segments, before finally making its way to the client/consumer segments. This development is also a polite nudge to the DRAM industry to get its act together, and either bring down prices or scale up densities, or miss the bus of change.
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