SK Hynix DDR5 RDIMM 128GB 5600MT/s ECC Server Memory

SK Hynix DDR5 RDIMM 128GB 5600MT/s ECC Server Memory

Brand: SK Hynix | Category: Memory (RAM)

SKU: HMCG18MEBRA192N | Part #: HMCG18MEBRA192N | MPN: HMCG18MEBRA192N

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About the SK Hynix DDR5 RDIMM 128GB 5600MT/s ECC Server Memory

The SK Hynix DDR5 RDIMM 128GB 5600MT/s ECC is a registered dual in-line memory module engineered for mission-critical server environments requiring maximum capacity and reliability. This module delivers 128GB of density per DIMM, enabling consolidated memory footprints in 2-socket and multi-socket server architectures without requiring additional slot population. The DDR5 interface provides substantially increased bandwidth compared to DDR4, supporting memory-intensive workloads with reduced latency and improved throughput characteristics.

Designed for deployment in in-memory database systems, large-model machine learning inference, and analytics platforms, this RDIMM incorporates ECC (Error-Correcting Code) for detection and correction of single-bit errors, ensuring data integrity across extended operational windows. The registered buffering architecture isolates DRAM loads from the memory controller, supporting higher DIMM population densities and improved signal integrity in populated server configurations.

With 5600MT/s speed rating, this module operates within JEDEC DDR5 standards for server platforms, delivering consistent performance across thermal and load conditions. Qualification for major hyperscale and enterprise server platforms makes this module suitable for organizations standardizing on next-generation memory infrastructure.

Ideal for

  • In-memory transactional databases (SAP HANA, Oracle Exadata) requiring sub-millisecond query response times
  • Large language model inference serving with expanded context windows and batch processing
  • Real-time analytics and data warehousing with columnar data structures
  • High-performance computing (HPC) simulations and scientific workloads
  • VMware vSAN and hyper-converged infrastructure deployments with memory-tier caching
  • Machine learning training frameworks requiring distributed memory pools across multiple nodes

Technical specifications

ManufacturerSK Hynix
ManufacturerPartNumberHMCG18MEBRA192N
MemoryTypeDDR5 RDIMM
Capacity128GB
SpeedRating5600MT/s
FormFactorRDIMM (Registered DIMM)
DataBusWidth64-bit
ECCYes
ErrorCorrectionSingle Error Correction (SEC)
VoltageRating1.1V
DieProcess10nm class
ModuleHeight31.25mm (standard RDIMM)
SPDYes, DDR5 standard
ThermalPassive (no active cooling required)
OperatingTemperature0°C to 85°C
StorageTemperature-40°C to 100°C
LaunchQuarter2024-Q3
ServerCompatibilityDDR5-capable 3rd-gen XEON (Emerald Rapids), EPYC 9004 series

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Technical Specifications

BrandSK Hynix
CategoryMemory (RAM)
SKUHMCG18MEBRA192N
Part NumberHMCG18MEBRA192N
ConditionNew
ManufacturerPartNumberHMCG18MEBRA192N
MemoryTypeDDR5 RDIMM
Capacity128GB
SpeedRating5600MT/s
FormFactorRDIMM (Registered DIMM)
DataBusWidth64-bit
ECCYes
ErrorCorrectionSingle Error Correction (SEC)
VoltageRating1.1V
DieProcess10nm class
ModuleHeight31.25mm (standard RDIMM)
SPDYes, DDR5 standard
ThermalPassive (no active cooling required)
OperatingTemperature0°C to 85°C
StorageTemperature-40°C to 100°C
LaunchQuarter2024-Q3
ServerCompatibilityDDR5-capable 3rd-gen XEON (Emerald Rapids), EPYC 9004 series