This is an interesting issue, I had not really thought about it until I read about it, and I am always very careful to erase drives before I sell them or give them away.
Ask Ars: How can I safely erase the data from my SSD drive?: “
How can I safely erase the data from my SSD drive? I’ve seen a few pieces in recent days about how traditional ‘secure delete’ programs fail to work properly on SSD drives, so what tools are available and useful?
As pointed out in a recent research article, there isn’t a standard method for securely deleting data from a solid state drive. Hard disk drive”
I guess I will need to go to plan B when I have to dispose of SSDs in the future, which is what I do now with drives that die.
François Schiettecatte's Blog 