"In an NVMe-based solid state drive, XPoint chips can deliver more than 95,000 I/O operations per second at a 9 microsecond latency, compared to 13,400 IOPs and 73 ms latency for flash."
and
"A version of XPoint in DIMMs will enable up to 6 TBytes main memory in a two-socket Xeon server at about half the cost of DRAM".