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I am trying to find the power OFF duration of the Delkin SSD. If a SSD is Powered ON and Powered OFF and then Powered ON, Can I know the Power OFF duration? Is there any Smart data with which I can find or by looking into the data retention duration I can find?

Thanks for all the answers and especially XY problem. Update on my problem.

For my system I record data and time-stamp againest RTC. I dont have battery. If RTC resets the time goes back to epoch time until I reset it. So, my most recent data will have oldest time stamp. So, When I power-up is there any way I know from SSD for how long it was powered OFFsince last power ON? With this I can automatically set the time whenever power ON. Is there anything in SMART data which I can see that for how long my SSD was OFF or is there anything from P/E cycles I can calculate the age of SSD and determine an approximate current time and will be curious about its accuracy.

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    What do you mean by Power OFF? What problem are you trying to solve? (see XY problem) – gronostaj Oct 21 '14 at 21:58
  • SSDs are non-volatile storage. They should retain their contents indefinitely, without power. I'm sure there are limits, but for the purposes of a typical human life (no cryo-freezing or time-travel), they're supposed to retain the data "forever". – James T Snell Oct 21 '14 at 22:02
  • paraphrasing @doc, do you want to know for how long data will be accessible in a non-degraded state on a switched off SSD? – user 99572 is fine Oct 21 '14 at 23:18
  • Welcome to Super User. You appear to have two accounts. You should merge your accounts into one by following the instructions here. – Excellll Oct 28 '14 at 21:26

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