The company gave a presentation on the progress on the development of its 321-layer 1Tb TLC* 4D NAND Flash and displayed the samples at the Flash Memory Summit (FMS) 2023** taking place Aug. 8-10 in Santa Clara.
* Triple Level Cell (TLC): NAND Flash products are categorized into single, multi, triple, quadruple and penta level cells depending on the number of information (in bit unit) contained in a single cell. That a cell contains more information means more data can be stored within the same extent of area.
** Flash Memory Summit (FMS): the biggest annual conference for NAND Flash industry.
SK hynix is the first in the industry to unveil the progress on the development of a NAND with more than 300 layers in detail. The company plans to raise the level of completion of the 321-layer product and start mass production from the first half of 2025.
The company said its technological competitiveness accumulated from the success of the world's highest 238-layer NAND, already in mass production, paved the way for a smooth progress for the development of the 321-layer product. "With another breakthrough to address stacking limitations, SK hynix will open the era of NAND with more than 300 layers and lead the market."
The 321-layer 1Tb TLC NAND comes with a 59% improvement in productivity, compared with the earlier generation of 238-layer 512Gb, thanks to the technology development that enabled stacking of more cells and larger storage capacity on a single chip, meaning the total capacity that can be produced on a single wafer increased.
Since the introduction of ChatGPT that accelerated the growth of the generative AI market, demand for high-performance and high-capacity memory products that can process more data at a faster pace is growing rapidly.
Accordingly, at the FMS, SK hynix also introduced next-generation NAND solutions optimized for such AI demand, including the enterprise SSD adopting the PCIe Gen5 interface and UFS 4.0.
The company expects these products to achieve industry-leading performance to fully meet the needs of the customers with a focus on high performance.
SK hynix also announced that it has started development of the next-generation PCIe Gen6 and UFS 5.0 with the improved technology for solution development that it acquired through these products and expressed its commitment to leading the industry trend.
Jungdal Choi, Head of NAND Development, said during a keynote speech that the company expects the ongoing development of the 321-layer product, the fifth generation of the 4D NAND, to help the company solidify its technological leadership in the NAND space. "With timely introduction of the high-performance and high-capacity NAND, we will strive to meet the requirements of the AI era and continue to lead innovation."
About SK hynix Inc.
SK hynix Inc., headquartered in Korea, is the world's top tier semiconductor supplier offering Dynamic Random Access Memory chips ("DRAM"), flash memory chips ("NAND flash") and CMOS Image Sensors ("CIS") for a wide range of distinguished customers globally. The Company's shares are traded on the Korea Exchange, and the Global Depository shares are listed on the Luxemburg Stock Exchange. Further information about SK hynix is available at www.skhynix.com, news.skhynix.com.
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SOURCE SK hynix Inc.
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