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#11
They are both made differently. The Pro should last twice as long as the Evo.
Samsung 850 PRO 2TB SSD Vs Samsung 850 EVO 2TB SSD - Legit ReviewsSSD Review: 850 EVO Versus 850 PRO
Samsung 850 Pro / 850 EVO versus 840 EVO and 840 SSD Series
UserBenchmark: Samsung 840 Evo vs 850 Pro
https://www.youtube.com/watch?v=Yp68cR6XtC0
My 850 Pro, my Evo is not in use yet.