Invisible <voi### [at] devnull> wrote:
> On 08/03/2012 03:23 PM, clipka wrote:
>
> > Last not least, there's also the question of cost: Using cutting-edge
> > technology for memory ICs would result in prohibitively high per-bit
> > costs; such production lines are therefore almost exclusively used for
> > high-margin products such as high-performance CPUs or GPUs, until the
> > next generation of cutting-edge fab technology becomes available. The
> > older production lines might then be used for another generation to
> > manufacture low-cost CPUs and GPUs, and finally for stuff where
> > per-transistor costs are more important than die size, such as memory ICs.
>
> Right. So that's why, even though 40nm technology already exists, they
> don't use it just to build (say) USB flash drives. (?)

They use 25nm chips for SSDs nowadays.

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