Samsung Ships Industry-First HBM4E Samples to Major Customers

*Samsung has started delivery of 12-layer HBM4E samples just months after it began commercial shipments of HBM4.*

Samsung Electronics announced that it has begun shipping samples of its HBM4E memory to major global customers. The move follows the company's earlier mass production of HBM4 earlier this year. The new parts target workloads that exceed the capacity of current high-bandwidth memory generations.

The samples are described as the industry's first 12-layer HBM4E stacks. Samsung states the parts will support increasingly demanding next-generation AI workloads. No additional technical specifications, such as bandwidth or capacity figures, were released in the announcement.

Prior timeline

Samsung reached mass production and began commercial shipments of HBM4 in the same calendar year. The company now positions HBM4E as the immediate follow-on product. Both announcements emphasize leadership in the next-generation HBM segment.

No customer names or order volumes were disclosed. The statements refer only to "major global customers" without further detail.

Why it matters

Memory suppliers compete on the speed at which they can move from one HBM generation to the next, because AI accelerator designs are revised on similar cycles. Samsung's decision to sample HBM4E so soon after HBM4 indicates it intends to set the pace rather than follow it. Hardware teams planning future AI systems now have an early signal that 12-layer stacks built on the HBM4E specification are entering the evaluation phase.

The absence of performance numbers or confirmed design wins leaves open the question of whether the samples represent a finished specification or an early engineering build. Customers receiving the parts will determine whether the technology meets the requirements of their next platforms.

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Sources:

• Neowin
• Samsung Newsroom

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