SK hynix Launches Mass Production of Innovative 321-Layer NAND Technology


November 21, 2024 by our News Team

SK hynix introduces revolutionary "3 plugs" process technology to produce world's first 321-high 4D NAND Flash with 1 Tb capacity, boasting impressive performance improvements and aiming to dominate AI storage market.

  • SK hynix has introduced a revolutionary technique called the "3 plugs" process technology, leading to a 59% increase in productivity compared to previous generations.
  • The new 321-high product boasts a 12% improvement in data transfer speed and a 13% boost in reading performance over its predecessor.
  • SK hynix is setting their sights on the burgeoning world of AI applications, positioning themselves closer to dominating the AI storage market.


SK hynix Breaks New Ground in NAND Flash Technology

Today, SK hynix Inc. made a splash in the tech world by announcing that it has kicked off mass production of the

world’s first triple level cell-based 321-high 4D NAND Flash
with a whopping 1 Tb capacity. This isn’t just another notch on the tech belt; it’s a game-changer. Remember last year when they wowed us with the
238-layer NAND
? Well, they’ve upped the ante yet again by becoming the first company to stack more than 300 layers. How did they pull this off? Let’s dive into the tech wizardry behind it.

The Magic of Stacking Layers

So, what’s the secret sauce? SK hynix has introduced a revolutionary technique called the

”3 plugs” process technology
. This innovative method allows for the electrical connection of three plugs in a streamlined manner, enhancing production efficiency. Think of it like a well-choreographed dance where each step is perfectly timed. To make this happen, the company developed a low-stress material and implemented technology that ensures the plugs align just right. This meticulous attention to detail has led to a stunning
59% increase in productivity
compared to previous generations, all while using the same development platform from their earlier 238-high NAND.

Performance That Packs a Punch

But it doesn’t stop at just impressive production numbers. This new 321-high product boasts a

12% improvement in data transfer speed
and a
13% boost in reading performance
over its predecessor. Plus, it’s not just about speed; it also enhances data reading power efficiency by more than 10%. That’s a significant leap forward, especially for applications that demand both performance and energy efficiency.

Aiming for AI Applications

What’s next for SK hynix? They’re setting their sights on the burgeoning world of

AI applications
. These technologies require low power consumption and high performance, making the 321-high products a perfect fit. Jungdal Choi, Head of NAND Development at SK hynix, emphasized that this latest breakthrough positions the company closer to dominating the
AI storage market
, particularly in SSDs for AI data centers and on-device AI.

The Future Looks Bright

In a world where data is king, advancements like these are crucial. SK hynix is not just playing catch-up; they’re on a mission to become a

Full Stack AI Memory Provider
. By expanding their portfolio with ultra-high performance NAND alongside their leading DRAM business, they’re paving the way for a future where high-capacity, efficient memory solutions are the norm.

So, what do you think? Are we on the brink of a new era in data storage? With companies like SK hynix leading the charge, the future certainly looks promising!

SK hynix Launches Mass Production of Innovative 321-Layer NAND Technology

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Background Information


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.

SK hynix website  SK hynix LinkedIn
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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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