On Sat, 20 Mar 2021 11:42:38 +1300, Craig Dooley wrote:

> BY: Tauno Voipio(3:770/3)
>
>
> TV>
> TV> I'm just curious: What makes a Flash memory on an USB interface TV>
> more durable than a Flash memory on a SD card?
> TV>
> I'm not really sure.  it's my understanding that SD cards will wear out
> because of read/write cycles eventually.  I've never heard that said of
> a USB flashdrive.  But I'm not an expert on either.
>
SSDs wear out too - eventually - just the same as an HDD. The difference
is that SSDs data pages (a) survive many more read/zero/write cycles than
those in SD cards and (b) have a set of spare data pages that can be
remapped to replace failing ones. Cheap as chips SD cards don't do this
either.


--
Martin    | martin at
Gregorie  | gregorie dot org

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