Lenovo 64GB 2Rx4 DDR5-5600 PC5-44800 EC8/ECC Registered Memory SK Hynix HMCG94AGBRA632N Compatible with: SM37B46518 03LE886

Product Overview

Upgrade your server performance with this high-performance Lenovo 64GB DDR5-5600 ECC Registered RDIMM memory module manufactured by SK Hynix. Designed for enterprise-class Lenovo server environments, this module delivers exceptional bandwidth, reliability, and stability for virtualization, cloud infrastructure, databases, AI workloads, and other demanding data center applications.

Featuring 64GB capacity, DDR5-5600 speed, PC5-44800R bandwidth, 2Rx4 dual-rank architecture, and ECC Registered (RDIMM) technology, this memory module helps maximize server efficiency while maintaining data integrity in mission-critical environments.

• Capacity: 64GB
• Memory Type: DDR5 SDRAM
• Speed: 5600 MT/s
• Bandwidth: PC5-44800R
• Form Factor: 288-Pin RDIMM
• Error Correction: ECC / EC8
• Rank Configuration: 2Rx4 Dual Rank
• Module Type: Registered DIMM (RDIMM)
• Voltage: 1.1V
• Manufacturer: SK Hynix
• OEM Brand: Lenovo
• Enterprise-grade server memory
• Optimized for high-density and mission-critical server workloads

• Lenovo Compatible P/N: SM37B46518
• Lenovo Compatible P/N: 03LE886
• SK Hynix P/N: HMCG94AGBRA632N

May be supplied with an equivalent Lenovo or SK Hynix label while maintaining identical specifications and compatibility.

Performance

• DDR5-5600 Registered Memory
• PC5-44800R Bandwidth
• High-speed DDR5 Architecture
• Advanced ECC Protection
• Optimized for enterprise server performance
• Improved power efficiency versus previous DDR generations

Architecture

• 64GB Module Capacity
• 2Rx4 Dual-Rank Configuration
• Registered DIMM (RDIMM)
• ECC Registered Server Memory
• Built with genuine SK Hynix DDR5 DRAM components
• 288-Pin DDR5 Server Module

Electrical Characteristics

• Operating Voltage: 1.1V
• Energy-Efficient DDR5 Technology
• Designed for Continuous Enterprise Operation

Compatible with Lenovo servers and systems that support:

• DDR5 ECC Registered RDIMM Memory
• PC5-44800R Memory Modules
• 64GB 2Rx4 RDIMM Configurations

Commonly used in Lenovo ThinkSystem platforms supporting 4th and 5th Generation Intel Xeon Scalable processors and AMD EPYC DDR5 server platforms.

• Supports DDR5 ECC Registered RDIMM servers only.
• Not compatible with DDR5 UDIMM systems.
• Not compatible with desktop computers or laptops.
• Cannot be mixed with DDR4 memory.
• Please verify server compatibility before purchase.
• For optimum performance, install memory modules in matched configurations according to manufacturer guidelines.

• Enterprise Servers
• Virtualization Environments
• Cloud Computing Infrastructure
• Database Servers
• AI & Machine Learning Workloads
• High-Performance Computing (HPC)
• Business-Critical Applications