Intel's new Optane memory technology could lead to 1000 times faster MacBook storage
A new ultra-fast memory technology from Intel and Micron branded as Optane is expected to launch in 2017, and could pave the way for even faster storage on Apple's MacBooks.

Optane is compatible with the NVMe storage protocol that Apple already uses in some of its MacBooks, as noted by Macworld. That means it could be relatively easy for Apple to transition and take advantage of the new technology.
Using 3D Xpoint technology, Optane is said to offer speeds 1,000 times faster and more durable than common flash storage. That's because it's 10 times denser than DRAM.
Apple launched Non-Volatile Memory Express support in its new 12-inch MacBook, and enabled it with a software update to OS X last April.

NVMe is meant to replace aging AHCI technology, which was designed to maximize performance in systems using spinning hard drives. NVMe is optimized for lower latency operations afforded by solid state media, or non-volatile memory.
Compared to AHCI, NVMe reduces latency by 50 percent. For example, Intel puts latency overhead in SCSI/SAS systems at 6 nanoseconds at 19,500 cycles, but quotes NVMe at 2.8 nanoseconds at 9,100 cycles (PDF link).
Further, NVMe is designed to scale over the next decade, a lifecycle comparable to AHCI, which was introduced in 2004. And since Apple has been using the PCIe transport protocol since 2011, the company is in a good position to expeditiously roll out support across the entire Mac lineup.

Optane is compatible with the NVMe storage protocol that Apple already uses in some of its MacBooks, as noted by Macworld. That means it could be relatively easy for Apple to transition and take advantage of the new technology.
Using 3D Xpoint technology, Optane is said to offer speeds 1,000 times faster and more durable than common flash storage. That's because it's 10 times denser than DRAM.
Apple launched Non-Volatile Memory Express support in its new 12-inch MacBook, and enabled it with a software update to OS X last April.

NVMe is meant to replace aging AHCI technology, which was designed to maximize performance in systems using spinning hard drives. NVMe is optimized for lower latency operations afforded by solid state media, or non-volatile memory.
Compared to AHCI, NVMe reduces latency by 50 percent. For example, Intel puts latency overhead in SCSI/SAS systems at 6 nanoseconds at 19,500 cycles, but quotes NVMe at 2.8 nanoseconds at 9,100 cycles (PDF link).
Further, NVMe is designed to scale over the next decade, a lifecycle comparable to AHCI, which was introduced in 2004. And since Apple has been using the PCIe transport protocol since 2011, the company is in a good position to expeditiously roll out support across the entire Mac lineup.
Comments
Does the 'data bus' speeds come into play here? Or said another way(not too clear to me in article) what does this translate to in real life usage?
[Ludicrous Speed!
We've got half a century of computer system design (both hardware and software) wrapped around the idea of large scale high speed sequential storage. The arrival of large scale high speed random storage doesn't change all of that. It'll take time for CPU designers to adapt cache strategies (or even eliminate cache), and for OS and app designers to adapt algorithms to take advantage of this new technology.
any near-term Mac refresh.
Now, if only software can keep up with its hardware counterparts.
All this does is enable buggy software to show you the beach ball that much faster.
http://www.legitreviews.com/intel-shows-off-512gb-optane-drive-with-3d-xpoint-memory-that-fits-in-ddr4-slot_176826
With DDR4, the Mac Pro for example could have 2 of the RAM slots with 64GB standard DDR4 each for 128GB RAM and the other 2 can have 512GB Crosspoint DIMMs for 1TB of storage that runs at a very fast speed and they can RAID the DIMMs.
This would allow the computer to boot and run very quickly. It would be like having the entire system in RAM.
However, it would also be more expensive than SSD. DDR4 memory is about $4/GB. MLC SSD is about $0.40/GB. This memory is expected to be somewhere in between e.g $2/GB = ~$2k for 1TB of storage.
It's more durable than SSD so it might be more cost-effective for servers. Typical users just want more storage for the price at this point.
Intel said they'd be able to produce a 10TB SSD around now and they said they'd have disruptive pricing:
http://www.pcworld.com/article/3032984/storage/intel-ssds-may-get-speed-capacity-boost-with-new-micron-chips.html
There's a 13TB 2.5" SSD from another manufacturer but $13k is a bit much:
http://www.pcworld.com/article/3021886/hardware/the-worlds-first-13tb-ssd-is-here.html
Micron is using 3D memory this year so we'll see if it has any benefits. The following page says that in June this year, the first-gen 3D NAND will offer 25% price drop and the second-gen a further 30%:
http://www.anandtech.com/show/10028/micron-3d-nand-status-update
Right now, Intel has drives like the following, 1.6TB for $969:
http://www.amazon.com/Intel-S3510-Internal-Solid-SSDSC2BB016T601/dp/B00WPCBFJ6
3D NAND in June would mean $727 and then next year $509 (~$0.30/GB). This would mean a 10TB 2.5" drive would be about $3k. Right now an 18TB Pegasus is $2600 and the SSD would be a very portable bus-powered 2.5".
that's kind of misleading because a Macbook Air hasn't hard a physical hard drive since what? 2008 I think?
http://www.anandtech.com/show/8239/update-on-samsung-850-pro-endurance-vnand-die-size