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NVDIMM-N: Where are we Now?

NVDIMM-N: Where are we Now?

NVDIMM-N allows servers to have their cake and eat it too. The module computes like an RDIMM, but, when the system loses power, the data is backed up to NAND storage. The memory is nonvolatile, because it recovers when the system reboots.

NVDIMM

Persistent memory was a groundbreaking solution, but it isn’t new to Micron. Two years ago, we were sampling 8GB NVDIMM-N with our own firmware. Today, we are in production of that legacy module, plus JEDEC standard 8GB and 16GB DDR4-NVDIMM-N.

Micron’s NVDIMM-N portfolio is expanding and improving. We hope to finish sampling and enter production for 32GB NVDIMM-N by the end of this year. Lagging speed will be a thing of the past, because we should offer 2666 MT/s data rates for 16GB and 32GB modules before 2018 (our 8GB is caught up to mainstream RDIMM speeds).

NVDIMM-N capabilities satisfy our company while improving customer performance. Last year, Microsoft measured the performance of Micron 8GB DDR4-NVDIMM-N in block and DAX mode to standard NVMe SSD while using a HPE ProLiant Gen9 Server. The results are summarized below:

Measured Performance and Latency

Our customers are so satisfied with our persistent memory that they elected us the NVDIMM brand leader in IT Brand Pulse’s independent, non-sponsored Flash Storage and NVMe annual survey in 2017 and 2016. Micron is proud to be a persistent memory leader, and we expect to improve this position in the coming years.

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