IIRC, some users here have experienced the short life of the 5170/7170 series, so it may not be surprising to see it fail. The only NEC I have is the 3500, which is still breathing, though not currently connected. The choices for burners nowadays are rampant, I could pick up 3 modern day ones for the same cost as what I paid for the 3500.
The Samsung and Sony should have the same “ideal” lifetime expectancy since they’re nearly identical, but it depends on whether it was a good day for each drive to have been built, so, there isn’t a definite answer. But for me, I would get the Samsung since its cost is about 1/2 that of the Sony here.