SSDs do implement smart and usually do give an early warning. I've destroyed a few Samsung 840 Evo drives in a few servers and didn't lose a single byte. Failu

SSDs do implement smart and usually do give an early warning. I've destroyed a few Samsung 840 Evo drives in a few servers and didn't lose a single byte. Failure condition was a very degraded read speed. It took a few hours to copy the 120GB to a fresh SSD