The Guru of 3D published a review on the Samsung 860 PRO 2TB SSD
A quote from the article:
Samsung releases its 860 PRO series as well, a 6 Gb/s SSD range available from 250GB up-to a whopping 4 Terabyte this new revision is fabbed with 64-cell layer V-NAND and their new MJX controller. Armed with truckloads of performance and interesting pricing, Samsung will once again set the tone and bumps up endurance levels in TBW even more.Samsung 860 PRO 2TB SSD Review @ Guru3D