Flash memory has been showing up in configurations that point to the arrival of persistent memory. Persistent memory retains its data in the host computer even when the power is turned off. Diablo ...

It serves as a cache for all of your system’s important data, programs, and more, so that it can be accessed more quickly. Working memory is also known as RAM, but why is it there at all?

While it might not be as flashy as a speedy SSD or high-end RAM, the L1, L2, and L3 CPU cache are built into every computer and also have an important job.

The cache helps the optimization caused by writing the data on the memory, as it doesn’t wait for the comparatively slower storage disk write process.

Multiple OEMs are marketing systems as if their total memory loadout is equivalent to their actual DRAM + Optane cache. That's not how this works.