Samsung CMM-D CXL Memory Expander 128GB (CMM-D)

Samsung CMM-D CXL Memory Expander 128GB (CMM-D)

Brand: Samsung | Category: Memory (RAM)

SKU: MX-CMM128CXL | Part #: MX-CMM128CXL | MPN: MX-CMM128CXL

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About the Samsung CMM-D CXL Memory Expander 128GB (CMM-D)

The Samsung CMM-D CXL Memory Expander 128GB is a CXL 2.0-compliant memory expansion module designed for enterprise data center architectures that require dynamic memory pooling and disaggregation. Built on CXL (Compute Express Link) protocol, this expander enables hosts to access pooled memory resources across the fabric, decoupling memory capacity from individual compute nodes and improving resource utilization efficiency.

The CMM-D module integrates into CXL-capable server platforms and memory fabric infrastructure, allowing data center operators to scale memory independently of processor counts. This architecture supports emerging workloads including in-memory databases, real-time analytics, machine learning inference, and virtualization platforms where memory becomes a shared, dynamically allocated fabric resource rather than a fixed per-node constraint.

As a CXL 2.0 implementation, the CMM-D provides load/store semantics and supports memory pooling use cases that require coherent access patterns across distributed memory nodes. The 128GB capacity per module enables practical memory fabric deployments in production data center environments targeting memory-constrained applications.

Ideal for

  • In-memory database and cache acceleration across multi-node clusters
  • Machine learning inference serving with dynamic model and working-set memory allocation
  • Real-time financial analytics and streaming data processing with shared memory pools
  • Virtualization and cloud infrastructure memory elasticity and oversubscription
  • High-performance computing (HPC) memory fabric for tightly-coupled workloads
  • Large-scale data warehouse and OLAP query processing with memory fabric optimization

Technical specifications

ManufacturerSamsung
ModelCMM-D
Manufacturer Part NumberMX-CMM128CXL
Capacity128GB
TechnologyCXL 2.0 Memory Expander
Form FactorModular expansion unit
ProtocolCompute Express Link (CXL) 2.0
InterfaceCXL 2.0 link interface
Memory TypeDRAM-based pooled memory
Coherency SupportLoad/store semantics with CXL coherency
Launch Quarter2025-Q1
Use CaseMemory pooling, resource disaggregation, fabric-based memory expansion
Ecosystem CompatibilityCXL 2.0-capable server platforms and host controllers
ArchitectureFabric-attached persistent memory module

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Technical Specifications

BrandSamsung
CategoryMemory (RAM)
SKUMX-CMM128CXL
Part NumberMX-CMM128CXL
ConditionNew
ModelCMM-D
Manufacturer Part NumberMX-CMM128CXL
Capacity128GB
TechnologyCXL 2.0 Memory Expander
Form FactorModular expansion unit
ProtocolCompute Express Link (CXL) 2.0
InterfaceCXL 2.0 link interface
Memory TypeDRAM-based pooled memory
Coherency SupportLoad/store semantics with CXL coherency
Launch Quarter2025-Q1
Use CaseMemory pooling, resource disaggregation, fabric-based memory expansion
Ecosystem CompatibilityCXL 2.0-capable server platforms and host controllers
ArchitectureFabric-attached persistent memory module