The Inner Workings Of SSDs

Found a most interesting article series about how SSD internally work:

It goes quite deep, e.g. explains the internal structure of FLASH memory as well as how the Flash-Translation-Layer (FTL) works. I have not see any such detailed description yet.

A Bit Related

hdparm works well doe SCSI disks (or disks which behave like SCSI disks), but it does not work with NVME disks. But nvme does. See here: how to erase NVME SSDs.