Re: usb flash drives / sd

[Doug <dmcgarrett@optonline.net>]

On 08/11/2017 05:11 PM, Dan Ritter wrote:
> On Fri, Aug 11, 2017 at 02:25:01PM -0500, Doug wrote:
> > On 08/11/2017 01:46 PM, jumpy@tutanota.com wrote:
> > > There are three major types of flash chip types : SLC - MLC - TLC
> > >
> > > how-to check my usbkey/sd/memory card ?
> > >
> > > --
> > > Securely sent with Tutanota.
> > I am not being a wiseguy.
> > What is the difference, and why does it matter?
> The basic difference is the number of bits recorded in a single
> cell, and that affects both the storage density and its
> long term reliability.
>
> More bits == more dense but less reliable.
>
> To compensate for long term reliability, SSD manufacturers use
> a variety of strategies involving staging data in RAM,
> compressing it, and implementing other special storage
> structures.
>
> On a removable-media flash device, none of those strategies
> are used.
>
> -dsr-
Perhaps I misunderstood. I thought you were referring to usb flash drives.
Do you mean these little chip gizmos that go into digital cameras?

(Hope I am not being a nuisance.)

--doug