Samsung39s unique and innovative 3d v nand flash memory architecture is a breakthrough in overcoming the density limitations performance and endurance of today39s conventional planar nand architecture 3d v nand is fabricated by stacking 32 cell layers vertically over one another rather than decreasing the cells dimensions and trying to fit itself onto a fixed horizontal space resulting in higher density and better performance utilizing a smaller footprint the 850 evo comes fortified with the