SK hynix pioneers ZUFS 4.0, a mobile NAND solution for the future.


May 9, 2024 by our News Team

SK hynix introduces its latest ZUFS 4.0 mobile NAND solution, utilizing a unique data storage and classification approach to significantly improve operating speed and storage management efficiency for smartphones and other mobile devices, with plans for mass production in the third quarter and a focus on becoming the top global AI memory provider.

  • The ZUFS 4.0 is designed specifically for smartphones and other mobile devices, making it a top choice in this category.
  • The unique approach to data storage and classification significantly enhances a smartphone's operating speed and storage management efficiency.
  • The ZUFS 4.0 improves read and write performance by over four times, resulting in a 40% increase in product lifespan.


SK hynix, a leading semiconductor supplier, has launched its latest innovation in mobile NAND solutions for on-device AI applications – the Zoned UFS, or ZUFS 4.0. Designed specifically for smartphones and other mobile devices, the ZUFS 4.0 is set to become the industry’s top choice in this category. SK hynix aims to leverage its success in high-performance DRAM, such as HBM, to establish its dominance in the NAND space.

What sets the ZUFS apart is its unique approach to data storage and classification. Unlike traditional UFS solutions, which store data indiscriminately, the ZUFS organizes and stores data based on its characteristics and purpose. By grouping similar data together in separate zones, the ZUFS significantly enhances a smartphone’s operating speed and storage management efficiency. In fact, it reduces the time required to run applications during prolonged use by an impressive 45% compared to conventional UFS solutions. Additionally, the ZUFS improves read and write performance by over four times, resulting in a 40% increase in product lifespan.

The development of the ZUFS began back in 2019 when SK hynix collaborated with a global platform service company in anticipation of the growing demand for high-performance NAND solutions driven by the rise of AI applications. After providing prototypes of the ZUFS, SK hynix worked closely with its customer to develop the 4.0 version, which meets the specifications set by the Joint Electron Device Engineering Council (JEDEC). Mass production of the ZUFS 4.0 is scheduled to commence in the third quarter, with plans to supply various on-device AI smartphones for global companies.

Ahn Hyun, Head of the N-S Committee at SK hynix, emphasized the increasing need for better memory options as major tech companies focus on developing their own AI applications. He stated that SK hynix is committed to strengthening its position as the leading global AI memory provider by delivering high-performance NAND solutions that meet these evolving requirements. The company also aims to foster stronger partnerships with leading ICT companies to drive innovation in the industry.

SK hynix pioneers ZUFS 4.0, a mobile NAND solution for the future.

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Background Information


About JEDEC:

JEDEC is the global leader in the development of standards for the microelectronics industry. It was founded in 1958 as the Joint Electron Device Engineering Council to develop standards for the microelectronics industry. The organization's headquarters is located in Arlington, Virginia, United States. JEDEC sets standards for a wide range of technologies, including semiconductors, memory devices, integrated circuits, and more. Its standards are widely adopted and utilized throughout the industry to ensure compatibility and interoperability among various electronic devices and components.

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About SK hynix:

SK Hynix is a important South Korean semiconductor company known for its innovative contributions to the global technology landscape. Specializing in the production of memory solutions, SK Hynix has played a vital role in shaping the semiconductor industry. With a commitment to research and development, they have continuously pushed the boundaries of memory technology, resulting in products that power various devices and applications.

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Technology Explained


NAND: NAND technology is a type of non-volatile memory that is used in many computer applications. It is a type of flash memory that is used to store data in a non-volatile manner, meaning that the data is not lost when the power is turned off. NAND technology is used in many computer applications, such as solid-state drives, USB flash drives, digital cameras, and memory cards. It is also used in many embedded systems, such as cell phones, tablets, and other consumer electronics. NAND technology is a reliable and cost-effective way to store data, making it a popular choice for many computer applications.

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