1. SSD is NOT synonymous for flash memory.
First of all let’s settle on terms. SSD is best described as a concept of using semiconductor memory as disk. There is two common cases: DRAM-as-disk and flash-as-disk. And flash-memory is a semiconductor technology pretty similar to DRAM, just with slightly different set of trade-offs made.
. . . → Read More: Debunking common misconceptions in SSD, particularly for analytics