Micron is planning on buying Intel out of the Intel Micron Flash Technologies group the two companies created back in 2006, along with the three fabs which come with it, for about $1.5 billion.  The writing has been on the wall for a while; to put it nicely, Optane has not sold well.  This also affected Micron's bottom line as they didn't have customers for their own 3D XPoint flash and so by taking over the entire venture they could repurpose the fabs.  According to The Register Micron has not completely given up on the technology and you should see new products launching towards the end of the year. 

Then there are the 10nm rumours, of course.

"Micron's acquisition of IM Flash demonstrates our strong belief that 3D XPoint technology and other emerging memories will provide a unique differentiator for the company and be an essential solution for new data-hungry applications."

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