SK hynix says most of its HBM for 2025 is sold out already, 16-Hi HBM4 coming in 2028

SK hynix says that it's almost sold out of its 2025 HBM volume as AI demand reaches new highs, 12-Hi HBM3E production next quarter, 16-Hi HBM4 in 2028.

3 minutes & 33 seconds read time

SK hynix has announced that almost all of its HBM volume for 2025 has been sold out, as demand for AI GPUs continues to skyrocket.

SK hynix says most of its HBM for 2025 is sold out already, 16-Hi HBM4 coming in 2028 34

During a recent press conference, the South Korean memory giant announced plans to invest on its new M15X lab in the Cheongju and Yongin Semiconductor Cluster in Korea with advanced packaging plants in the US.

SK hynix selling out of most its 2025 HBM volume is pretty crazy, as we're not even half way through the year, and NVIDIA's beefed-up H200 AI GPU with HBM3E isn't quite here yet, and its next-gen Blackwell B200 AI GPUs with HBM3E will be launching later this year... yet SK hynix is selling HBM like they're hotcakes.

SK hynix CEO Kwak Noh-Jung said: "The HBM market is expected to continue to grow as data and (AI) model sizes increase. Annual demand growth is expected to be about 60% in the mid-to long-term".

SK hynix announced during its press conference:

  • The company forecasts a fast expansion of AI technology into a wider range of on-device applications such as smartphones, PCs, and automobiles from data centers now
  • Demand for ultra-fast, high-capacity, and low-power memory products for AI applications is expected to show an explosive increase
  • The company has the industry's best technologies for various products including HBM, TSV-based high-capacity DRAM, and high-performance eSSD
  • SK hynix is ready to provide the industry's best-customized memory solutions to customers through strategic collaboration with global business partners
  • On the production side, HBM from 2024 output already sold out, while that from 2025 volume almost sold out
  • On HBM technology side, the company planning to provide samples of 12-high HBM3E with the industry's best performance in May, enabling start of mass production in 3Q
  • The company aims for qualitative growth through better cost competitiveness, a higher profitability with an increase in sales of value-added products
  • The plan is to continue to improve financial soundness by raising the level of cash holding through a flexible investment response by changing circumstances for demand
  • The company is committed to contributing to the domestic economy, helping advance Korea's position as an AI memory powerhouse by growing into a trusted customer, the stable company not swayed by business circumstances in the AI era
SK hynix says most of its HBM for 2025 is sold out already, 16-Hi HBM4 coming in 2028 25

SK hynix is also mass producing DRAM modules that are bigger than 256GB, and have already commercialized the world's fastest LPDDR5T solution for mobile devices. The company also plans to deliver multiple next-generation memory solutions including HBM4, HBM4E, LPDDR6, 300TB SSDs, CXL-Pooled Memory Solutions, and PIM (Processor-In-Memory) modules.

  • In DRAM space, the company mass producing HBM3E and modules with an ultra-high capacity of more than 256GB, while having commercialized the world's fastest LPDDR5T
  • Company a top provider of AI memory also in NAND space as the sole supplier of QLC-based SSD of more than 60TB
  • Development of next-generation products with improved performance underway
  • Company planning to introduce innovative memory such as HBM4, HBM4E, LPDDR6, 300TB SSD, CXL Pooled Memory Solution, and Processing-In-Memory
  • SK hynix's proprietary MR-MUF is a core technology for HBM packaging
  • Views that MR-MUF will face technological challenges in higher stacking incorrect as seen in SK hynix's successful mass production of 12-high HBM3 with Advanced MR-MUF technology
  • MR-MUF lowers pressure from chip stacking to 6% level, raises productivity by 4 times by shortening time required for process, while improving heat dissipation by 45% VS previous technology
  • Advanced MR-MUF recently introduced by SK hynix improves heat dissipation by 10% by adopting a new protective material, while maintaining existing advantages of MR-MUF
  • Advanced MR-MUF, which adopts high-temperature, low-pressure methodology known for excellent warpage control, an optimal solution for high stacking and development of technology to realize 16-high stacking underway
  • Company plans to adopt Advanced MR-MUF for realization of 16-high HBM4, while preemptively reviewing Hybrid Bonding technology
  • Separately, company announced last month a plan to build advanced packaging facilities for AI memory in West Lafayette, Indiana
  • Mass production of AI products such as next-generation HBM from Indiana fab to start in 2H 2028
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Anthony joined the TweakTown team in 2010 and has since reviewed 100s of graphics cards. Anthony is a long time PC enthusiast with a passion of hate for games built around consoles. FPS gaming since the pre-Quake days, where you were insulted if you used a mouse to aim, he has been addicted to gaming and hardware ever since. Working in IT retail for 10 years gave him great experience with custom-built PCs. His addiction to GPU tech is unwavering and has recently taken a keen interest in artificial intelligence (AI) hardware.

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