MSGID: 2:20/228 01651208
In a message dated 06-05-15, Tom Walker said to Holger Granholm:

GM Tom,

TW> SSD's are really to new for any real answer but this is what most
TW> experts think:

TW> How long an SSD can store data without power depends on a number of
TW> factors including the number of write cycles that have been used,
TW> the type of flash memory used in the drive, the storage conditions
TW> and so on. A white paper produced by Dell in 2011 stated that it
TW> could be as little as three months to as much as 10 years.

The number of write cycles is also a parameter with USB sticks but I
think that that number is seldom achieved due to the normal use of 'em.

TW> PDF Link:

TW> http://www.dell.com/downloads/global/products/pvaul/en/Solid-State-Drive
TW> FAQ-us.pdf-

Thanks for the link, I'll take a look at it.

TW> Many SSD manufacturers will list data retention either as part of
TW> the specification or the warranty for their drives. The JEDEC Solid
TW> State Technology Association sets the industry standard at one year
TW> for consumer drives.

That is quite short for life-long archival purposes. Normal SCSI and IDE
HDD's can still fill that void.

73 de Sam, OH0NC

aka Holger

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