Here's another article naming the very niche 4DS is...

Here's another article naming the very niche 4DS is targeting:

https://semiengineering.com/high-performance-memory-at-low-cost-per-bit/

"To satisfy market needs, the practical solution is a hybrid memory architecture that combines a small amount of DRAM with a large proportion of emerging memory."

In 4DS case, you may only need DRAM to satisfy any endurance limitations.

The article then says this:

"Challenges with emerging memory
Now these emerging memories come with their own set of challenges – high read and write latencies compared to DRAM, low bandwidth, low endurance, high write energy and large access size granularity in some cases. Left unmanaged, these attributes result in performance degradation and high replacement costs due to wear out."

Doesn't it seem like 4DS may have overcome all of these limitations?