Lenovo 64GB 2Rx4 DDR5-5600 PC5-44800 ECC Registered RDIMM Memory

Lenovo FRU 03NV080 | SK Hynix HMCG94AGBRA632N | Lenovo Label SM37C12806

The Lenovo 64GB DDR5-5600 ECC Registered RDIMM is a high-performance enterprise server memory module designed for modern data center and mission-critical workloads. Manufactured by SK Hynix and validated for Lenovo ThinkSystem platforms, this module delivers exceptional reliability, scalability, and bandwidth for virtualization, cloud computing, database, AI, and enterprise applications.

Featuring 64GB capacity, DDR5-5600 speed, ECC error correction, and Registered DIMM (RDIMM) architecture, this module is optimized for servers running the latest Intel Xeon Scalable and AMD EPYC processors.

• Capacity: 64GB
• Memory Type: DDR5 SDRAM
• Speed: 5600 MT/s
• Standard: PC5-44800 / PC5-5600B-R
• Module Type: Registered DIMM (RDIMM)
• ECC Support: Yes, Error Correcting Code
• Rank Configuration: 2Rx4 (Dual Rank x4)
• Voltage: 1.1V
• CAS Latency: CL46
• Pin Count: 288-Pin
• Form Factor: Low Profile Server DIMM
• Manufacturer: SK Hynix
• OEM Brand: Lenovo

Performance

• DDR5-5600 (5600 MT/s)
• PC5-44800R Registered Memory
• CL46 Latency
• Advanced DDR5 architecture for increased bandwidth and improved power efficiency
• ECC protection for enhanced system stability and data integrity

Architecture

• 64GB Module Capacity
• 2Rx4 Dual-Rank Configuration
• Registered Buffer Design (RDIMM)
• EC8 Architecture
• Built using SK Hynix high-density DDR5 DRAM components
• 288-pin DDR5 Server Memory Module

Electrical Characteristics

• Operating Voltage: 1.1V
• Commercial Operating Temperature Range
• Standard Low-Profile Form Factor

Designed and certified for Lenovo ThinkSystem V3 platforms, including:

Rack Servers

• Lenovo ThinkSystem SR630 V3
• Lenovo ThinkSystem SR650 V3
• Lenovo ThinkSystem SR645 V3
• Lenovo ThinkSystem SR665 V3
• Lenovo ThinkSystem SR680a V3

Tower Servers

• Lenovo ThinkSystem ST650 V3

High-Density Systems

• Lenovo ThinkSystem SD650 V3
• Lenovo ThinkSystem SD650-N V3
• Lenovo ThinkSystem SD665 V3

ThinkAgile Solutions

• Lenovo ThinkAgile HX630 V3
• Lenovo ThinkAgile HX650 V3
• Lenovo ThinkAgile VX630 V3
• Lenovo ThinkAgile VX650 V3

Compatible with systems supporting DDR5 ECC Registered Memory, including:

Intel Platforms

• 4th Gen Intel Xeon Scalable (Sapphire Rapids)
• 5th Gen Intel Xeon Scalable (Emerald Rapids)

AMD Platforms

• AMD EPYC 9004 Series (Genoa/Bergamo)
• Later DDR5-capable EPYC server processors

• Compatible only with systems supporting DDR5 ECC RDIMM memory
• Not compatible with desktop PCs or laptops
• Not compatible with DDR5 UDIMM systems
• Cannot be mixed with LRDIMM modules
• BIOS/UEFI should be updated for optimal DDR5-5600 operation
• Performance may vary depending on processor and server configuration

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

Lenovo FRU 03NV080 / SK Hynix HMCG94AGBRA632N delivers enterprise-class performance, reliability, and scalability, making it an excellent upgrade or replacement memory solution for Lenovo ThinkSystem and other DDR5 RDIMM-compatible server platforms.