SK hynix on the 6th (local time) will unveil for the first time at “CES 2026,” the world’s largest consumer electronics and information technology (IT) trade show, its next-generation High Bandwidth Memory (HBM), the HBM4 (6th generation) 16‑high 48GB (gigabyte) product (photo).

SK hynix announced on the 5th that it has set up a customer exhibition hall at the Venetian Expo in Las Vegas, United States, where it will showcase next-generation artificial intelligence (AI) memory products. The exhibition theme is “Innovative AI, Sustainable Tomorrow.”

The HBM4 16‑high 48GB is the successor to the HBM4 12‑high 36GB, which previously achieved the industry’s highest speed of 11.7Gbps. HBM is an advanced memory semiconductor created by vertically stacking multiple DRAM chips, and higher stack counts (more layers) require more sophisticated technology. As the next-generation HBM, the HBM4 16‑high 48GB increases the number of DRAM layers from 12 to 16, thereby expanding capacity and boosting the amount of data that can be processed.

SK hynix said, “Development is proceeding smoothly in line with customers’ schedules.” HBM4 is slated to be mounted on NVIDIA’s next-generation AI semiconductor “Rubin,” which is scheduled for release in the second half of this year (July–December). SK hynix has already secured the supply contract and is preparing for deliveries.

SK hynix will also exhibit its main product for this year, the HBM3E (5th generation) 12‑high 36GB. In addition, it will showcase a range of advanced products, including SOCAMM2, a low‑power memory module specialized for AI servers, and low‑power (LP) DDR6, which supports AI implementation in IT devices such as smartphones.

Meanwhile, SK hynix Chief Executive Officer Kwak Noh-Jung, AI Infrastructure President Kim Ju-seon, and other key executives reportedly held a meeting with NVIDIA officials on the afternoon of the 5th immediately after a special address by NVIDIA Chief Executive Officer Jensen Huang at the Fontainebleau Las Vegas hotel. Kwak told reporters, “I came because there was a meeting.”

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