The SATA SSD market is important - because
by offering a like for like comparison with hard drives - in form factors like
3.5", 2.5" etc it showed server makers that the days of HDDs were
I often get asked - What's that number? How many days left?
that simple. The answer depends on your business application, the cost
benefits of performance, electrical power, reliability etc. Depending what
market you're in - SSDs are already the most economic option - or will be at
sometime before 2015. For a variety of SSD future views see the
SSD analysts page.
The need for fast and
secure data erase - in which vital parts of a flash SSD or its data are
destroyed in seconds - has always been a requirement in military projects.
many industrial SSD
vendors offer products with extended "rugged" operating
environment capabilities - and even notebooks SSDs come with encryption -
it's the availability of fast destructive data purge which differentiates "truly
secure" SSDs which can be deployed in sensitive applications.
makes these SSDs? How do they work? And what are the characteristics and
limitations of the various methods used? Click on the link above to find out
more in my special article / directory about
fast purge SSDs.
First you learned about SLC
Then you learned about MLC (naughty
flash when it played in the enterprise - but good enough for the short
attention span of consumers).
Then MLC SSDs learned how to be good.
Now some MLC is much nicer than others. - When it's preceded by an "e"
(extra-good). But it costs more.
But other people say you don't need
the expensive "e" - because their controllers empathize better
with naughty flash. (They really care about naughty flash being sent to bad
block jail too soon.)
guide to SSD guides - includes summary of everything important that's
happened in the SSD market in the past year - and has a top level list of SSD
articles themed by markets, interfaces and form factors