http://www.ibtimes.co.uk/ssds-lose-data-if-left-without-power-just-7-days-1500402
Fortunately, consumer ones will last 2 years without power before losing data.
The standards body for the microelectronics industry has found that Solid State Drives (SSD) can start to lose their data and become corrupted if they are left without power for as little as a week
Fortunately, consumer ones will last 2 years without power before losing data.