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Samsung Unveils 256-GB CXL Memory Module at Flash Memory Summit

Aug. 16, 2023
The new memory module, one of the components within a 2-TB Pooled CXL Memory System, takes on the challenges wrought by AI and ML.

Check out our Flash Memory Summit 2023 coverage. This article is also part of the TechXchange: CXL Memory and More.

What you’ll learn:

  • What CXL means for memory.
  • Insight into Samsungs CXL memory modules.

The latest CXL 2.0 Memory Module from Samsung made its debut at the recent Flash Memory Summit. The module is part of a 2-TB Pooled CXL Memory System designed alongside H3 that addresses performance challenges faced by highly distributed artificial-intelligence/machine-learning (AI/ML) applications. These include spilling memory to slow storage when main memory is full, excessive memory copying, I/O to storage, serialization/deserialization, and out-of-memory errors.

This is where CXL (Compute Express Link) comes in, as it mitigates those issues and offers cache-coherent interconnects for processors, memory expansion, and accelerators. Initially designed by Intel, CXL is designed to be an open standard interface for high-speed communications, as accelerators are increasingly used to complement CPUs in support of applications such as AI and ML.

In turn, Samsung built its initial 128-GB CXL 2.0 Memory Module, which the company stated will accelerate the commercialization of next-gen memory solutions. The CXL DRAM supports PCIe 5.0 and offers a bandwidth of 35 GB/s.

The new 256-GB module, based on CXL 2.0, supports memory pooling. Pooling is a memory-management technique that binds multiple CXL memory blocks on a server platform to form a pool and enables hosts to allocate memory from the pool dynamically when needed.

Check out more of our Flash Memory Summit 2023 coverage. Also, read more articles in the TechXchange: CXL Memory and More.

About the Author

Cabe Atwell | Technology Editor, Electronic Design

Cabe is a Technology Editor for Electronic Design. 

Engineer, Machinist, Maker, Writer. A graduate Electrical Engineer actively plying his expertise in the industry and at his company, Gunhead. When not designing/building, he creates a steady torrent of projects and content in the media world. Many of his projects and articles are online at element14 & SolidSmack, industry-focused work at EETimes & EDN, and offbeat articles at Make Magazine. Currently, you can find him hosting webinars and contributing to Electronic Design and Machine Design.

Cabe is an electrical engineer, design consultant and author with 25 years’ experience. His most recent book is “Essential 555 IC: Design, Configure, and Create Clever Circuits

Cabe writes the Engineering on Friday blog on Electronic Design. 

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