What is 3d v nand and how does it differ from existing technology samsungrsquos unique and innovative 3d v nand flash memory architecture is a breakthrough in overcoming the density limitations performance and endurance of todayrsquos 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 perfo