External HDD or SSD for backups?

Started 3 months ago | Discussions thread
CAcreeks
CAcreeks Forum Pro • Posts: 15,471
Re: External HDD or SSD for backups?

Fred Colon wrote:

The underlying flash technology is the same for both SSD and SD cards. Controllers for each may well differ. Its more likely that SSD controllers implement wear leveling but its not certain that all SD card manufacturers will do this.

Unless you have evidence to the contrary, I don't believe any xSD cards (or USB thumb drives) implement wear leveling in hardware.

I don't think the fact that SSD cards are more robust because they are powered on more than SD cards is true. In fact they would last longer if not powered on

Well yeah, because writes are not occurring! But...

https://www.extremetech.com/computing/205382-ssds-can-lose-data-in-as-little-as-7-days-without-power

(I'm not endorsing that article, just offering it for discussion)

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