mtron rearranged their product lines - which created some confusion-
i do not believe there will be any perceivable difference for normal users.
I am being vague - because i have a test model of every single one of these ssd drives - but i do not have time to do comprehensive benchmarks in a wide enough range of machines or a wide range of os's.
I have not seen significant performance differences in the small amount of testing i have done-