Following its launch of a  238-layer NAND in June last year, Hynix has become the world’s first supplier of tNAND with over 300 layers by finding a technological breakthrough for stacking. The 321-layer device offers a 12% improvement write time and a  13% improvement in read time. Compared to the 238-layer device. The company plans to provide the 321-layer products to customers from the first half of next year. Stacking more than 300 layers came into reality as the company successfully adopted ...