SK Hynix 128GB 2S4Rx4 DDR4-2933Y-L PC4-23400 LRDIMM ECC Load Reduced Memory HMABAGL7C4R4N-WR

SK Hynix 128GB 2S4Rx4 DDR4-2933Y-L PC4-23400 LRDIMM ECC Load Reduced Memory HMABAGL7C4R4N-WR

The SK Hynix HMABAGL7C4R4N-WR is a high-density 128GB DDR4 Load Reduced DIMM (LRDIMM) engineered for enterprise and mission-critical server environments. Operating at 2933 MT/s, this module leverages advanced 3DS (3D-stacked) architecture to deliver maximum capacity per DIMM while maintaining signal integrity and performance.

Related Part Numbers

HMABAGL7C4R4N-WR, P03055-091, P06191-001, P00928-B21, P00929-B21, Q9U21A

Core Technical Specifications

• Capacity: 128GB (Single Module)
• Memory Type: DDR4 SDRAM
• Speed: 2933 MHz (PC4-23400 / DDR4-2933Y)
• Data Rate: 2933 MT/s
• Bus Clock: 1466 MHz
• Module Type: LRDIMM (Load Reduced DIMM)
• Error Correction: ECC (Error-Correcting Code)
• CAS Latency: CL21
• Voltage: 1.2V
• Pin Count: 288-Pin

Rank & Architecture

• Rank Configuration: 2S4Rx4 (Octal Rank)
• Technology: 3DS (3D Stacked DIMM)
• DRAM Components: 32Gbit DDP (Double Density Package)
• Die Generation: SK Hynix C-Die

The 2S4Rx4 configuration represents a stacked dual quad-rank design, appearing as an octal-rank module to the memory controller. This enables extremely high capacity per DIMM while maintaining stability through the LRDIMM isolation buffer.

Key Features

• Ultra-High Capacity:
  128GB per module for maximum memory density in enterprise systems
• 3DS Stacked Technology:
  Enables higher capacities without compromising signal integrity
• LRDIMM Buffering:
  Reduces electrical load on the memory controller, allowing for higher scalability
• ECC Reliability:
  Detects and corrects memory errors for mission-critical workloads
• Optimized for Data Centers:
  Ideal for virtualization, large databases, and in-memory computing

Operating Conditions

• Operating Temperature: 0°C to 85°C
• Voltage: 1.2V (low power DDR4 standard)

Compatibility Notes

• Designed for enterprise servers that support DDR4 LRDIMM modules
• Requires CPUs and chipsets that support high-capacity 3DS LRDIMMs
• Not compatible with RDIMM or UDIMM-only systems
• Commonly used in platforms supporting 2nd Generation Intel Xeon Scalable processors (for full 2933 MT/s speed)

Summary

The SK Hynix HMABAGL7C4R4N-WR 128GB DDR4-2933 LRDIMM is a premium enterprise memory solution built for high-capacity, high-performance server environments. With its 3DS stacked architecture, ECC reliability, and load-reduced design, it is ideal for demanding workloads such as virtualization, analytics, and large-scale database processing where maximum memory density and stability are critical.