HDDs, SSDs and friends in the enterprise world

FLASH - Non-Volatile Memory

Someone created FLASH memory.
Where no electrical current is required to sustain the data.
(Similar to EEPROM - but with FLASH one can program each cell separately).
This was first used in multimedia devices (e.g. cameras) and embedded devices (e.g. phones)
As the market for FLASH grew - the price per MB went down.
Until someone decided to use NAND-FLASH memory in the form-factor and interface of a disk.
And thus we got SSD - Solid-State Disks.
- First in the form of the M-SYSTEMS "disk on key"
- and later in other form factors.

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