http://www.xtremesystems.org/forums/showthread.php?271063-SSD-Write-Endurance-25nm-Vs-34nm
http://www.tweaktown.com/articles/5196/samsung-840-ssd-storage-endurance-testing-tlc-to-the-end/index.html
Life time test of a random Samsung 830 shows >5PB of total data through. Assume 10GB a day, that will be ... 500000days.
on average, 256GBx3000 (life rewrite) = 768TB. 10GB a day that will be 76800days
Don't know why someone wants to claim it can't maintain its data after removing power ...