DDR5 is still coming and it won't be a volatile launch

Subject: General Tech | April 3, 2017 - 02:44 PM |

Move over Optane, DDR5 would like its time in the spotlight as well.  In 2018 we will see the full specifications of DDR5 being released, including a new non-volatile standard called NVDIMM-P.  NVDIMM-P will handle terabytes worth of flash storage, with a latency about 10 times as much as the more standard NVDIMM-N at 100's of nanoseconds which should allow large scale storage with very low latencies and will retain data after being powered down.  Pop by The Register for a deeper look at the non-volatile future of DDR5. 

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"The JEDEC Solid State Technology Association has revealed that a full standard for DDR5 memory will arrive in June 2018, along with a new NVDIMM-P standard to house the memory, connect it to computers and protect the contents of RAM."

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April 3, 2017 | 04:08 PM - Posted by Anonymous (not verified)

So maybe Micron and JEDEC(Micron is a member) can work up a NVM/HBM2 or newer JEDEC HBM standard for some XPoint(QuantX) on the HBM stacks once they can get XPoint's endurance up there for that kind of usage, in addition to the DIMM usage. Intel is also a JEDEC member along with everybody and their dog so some NVM XPoint on the HBM stacks at some future time if the endurance is there as NAND may be only good enough endurance wise for DIMM usage.

I'm still waiting for those first Intel/XPoint(Optane) endurance figures when those websites do those read/write NVM drives until they fail testing like they do for the NAND based SSDs. 3D XPoint is supposed to be 10 time denser than NAND storage so maybe they can pack enough onto some HBM2 stacks in the future once they get that endurance up there with XPoint.

April 4, 2017 | 08:50 AM - Posted by Photonboy (not verified)

So NVDIMM-P is meant to be SLOWER than something like DDR3/4 system memory but the advantage is it's non-volatile like an SSD?

So it will compete against Intel Optane technology, or is it closer to a traditional SSD?

*I'm not clear what the ADVANTAGE is compared to SSD or Optane though.
Power (mobile) savings?

Optane (3d XPoint) is starting to look impressive, though the benefits vs SSD need to be carefully investigated. It's also new technology with minimal motherboard support.

(some of the faster memory solutions will need new motherboard to achieve high-speed CPU access, so while a PCIe solution may work on more systems the benefits might be minor)

April 4, 2017 | 03:19 PM - Posted by Anonymous (not verified)

What about Micron and its QuantX brand of XPoint do you think that Micron many have any better design or better controller technology than Intel. I hoping that Micron for It's QuantX XPoint goes with creating some form of JEDEC/Motherboard NVM standard rather than go with any proprietary methods.

April 4, 2017 | 03:27 PM - Posted by Anonymous (not verified)

Also I just found this out, Micron will be licensing to others:

"But unlike Intel, Micron is not interested in making its own Optane-like storage. The company is licensing its 3D Xpoint technology to other storage makers. Micron's QuantX will also be available the form of DDR-style memory, the company has said."(1)


"Micron to ship Intel Optane competitor later this year"


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