It is also not at all clear what is needed to "top up" an offline SSD to assure the data is maintained. Some people say that merely connecting the drive to powe

It is also not at all clear what is needed to "top up" an offline SSD to assure the data is maintained. Some people say that merely connecting the drive to power for a few minutes to hours lets it restore the fading bits but others think nothing but a full rewrite of the data will. I haven't seen any official information or testing on this either so the conservative rewrite assumption seems the most reasonable.