MEM-DR564L-HL02-ER56 Supermicro 64GB DDR5 CL46 ECC Memory

Supermicro MEM-DR564L-HL02-ER56 64GB DDR5 Memory

The Supermicro MEM-DR564L-HL02-ER56 64GB DDR5 5600MHz PC5-44800 CL46 ECC Registered 1.1V RDIMM Memory Module is designed for enterprise-grade computing environments, offering ultra-fast speeds, advanced error correction, and dependable stability for servers and workstations.

General Details

• Brand: Supermicro
• Manufacturer Part Number: MEM-DR564L-HL02-ER56
• Product Type: 64GB DDR5 ECC Registered Server Memory Module – High-speed 5600MHz RDIMM

Technical Specifications

Capacity and Configuration

• Total Storage: 64GB
• Module Setup: 1 x 64GB single module
• Ideal for: Memory-intensive workloads and virtualization environments

Memory Technology

• Type: DDR5 SDRAM
• Next-generation technology for higher bandwidth and improved efficiency

Performance Features

Chip Organization

• 2Rx4 architecture
• Dual Rank design enhances performance and memory density

Bus Speed

• 5600MT/s DDR5-5600MHz
• PC5-44800 standard for ultra-fast transfer rates

Data Integrity

• Error Correction Code (ECC) support
• Advanced error detection for increased reliability

Signal Processing

• Registered DIMM design
• Supports stability in enterprise-grade systems

Latency and Voltage

• CAS Latency: CL46
• Balanced latency for responsive computing
• Operating Voltage: 1.1V

Enterprise and Data Center DDR5 ECC Memory Overview

The Supermicro MEM-DR564L-HL02-ER56 64GB DDR5 5600MHz PC5-44800 CL46 ECC Registered 1.1v RDIMM Memory belongs to a specialized category of enterprise-grade DDR5 registered memory modules designed to support the performance, reliability, and scalability requirements of modern server and workstation infrastructures. This category focuses on high-capacity memory solutions optimized for continuous operation, heavy multitasking, and mission-critical workloads where data integrity and system stability are non-negotiable. DDR5 ECC RDIMM memory represents a major step forward from previous DDR generations by combining higher bandwidth, improved power efficiency, and advanced error correction mechanisms into a single, standards-compliant module.

Enterprise DDR5 registered memory is engineered to operate in multi-socket server environments that demand consistent performance under sustained load. The registered design buffers command and address signals, allowing memory controllers to manage larger memory populations without signal degradation. This architectural approach makes DDR5 RDIMM memory essential for systems that require high memory density, such as virtualization hosts, database servers, cloud platforms, and high-performance computing nodes.

Evolution of DDR5 Memory Architecture

The DDR5 memory category introduces structural improvements that significantly enhance data throughput and operational efficiency. Operating at 5600MHz, DDR5-5600 memory delivers a substantial increase in bandwidth compared to DDR4, enabling faster data movement between processors and memory subsystems. With a theoretical bandwidth rating of PC5-44800, this class of memory supports applications that rely on rapid access to large data sets, including analytics engines, scientific simulations, and real-time transaction processing.

DDR5 memory modules utilize a dual 32-bit subchannel architecture per DIMM, which improves concurrency and reduces access contention. This design allows memory controllers to service multiple requests simultaneously, leading to better utilization of available bandwidth and smoother performance scaling as core counts increase. The category is particularly well-suited for modern CPUs that feature dozens of cores and threads, each generating concurrent memory requests.

Latency Optimization and Timing Characteristics

With a CAS latency rating of CL46, DDR5-5600 ECC RDIMM memory achieves a balance between high frequency and predictable access timing. While DDR5 introduces higher numerical latency values compared to DDR4, the increased clock speeds result in competitive or improved effective latency. This balance ensures that enterprise applications experience consistent response times even under heavy load conditions.

Advanced timing management within DDR5 modules improves signal integrity and minimizes jitter, which is critical for maintaining stability at higher operating frequencies. These characteristics make the category suitable for long-duration workloads that require sustained memory performance without errors or performance degradation.

Error Correction and Data Integrity in ECC RDIMM Memory

Error Correction Code functionality is a defining feature of this memory category. The Supermicro MEM-DR564L-HL02-ER56 64GB DDR5 module incorporates ECC technology capable of detecting and correcting single-bit errors while identifying multi-bit faults. This capability is essential for enterprise systems that process sensitive or high-value data, where even minor memory errors could lead to data corruption, application crashes, or system downtime.

ECC RDIMM memory operates transparently, providing continuous protection without impacting application behavior. In large-scale server deployments, the cumulative probability of memory errors increases with capacity and uptime. ECC memory mitigates this risk, ensuring that systems remain reliable and that data integrity is preserved across extended operational periods.

Advanced Power Management and Voltage Regulation

DDR5 memory introduces on-DIMM power management, relocating voltage regulation from the motherboard to the memory module itself. Operating at 1.1 volts, DDR5 ECC RDIMM memory improves power efficiency while delivering higher performance. This design reduces electrical noise and enhances power delivery precision, contributing to overall system stability.

Improved power efficiency is particularly beneficial in high-density server environments where dozens or hundreds of memory modules may be deployed. Lower power consumption per module translates into reduced heat output, easing cooling requirements and supporting more sustainable data center operations.

High-Capacity 64GB Modules and Memory Scalability

The 64GB capacity of this DDR5 ECC RDIMM module places it within a category optimized for memory-intensive workloads and scalable system configurations. High-capacity modules allow system architects to achieve large total memory capacities using fewer DIMM slots, which can simplify system design and improve airflow within server chassis.

Scalability is a core attribute of DDR5 registered memory. Systems can be populated with multiple 64GB RDIMMs across multiple channels and sockets, enabling total memory capacities that support large in-memory databases, virtualization platforms with high VM density, and advanced analytics workloads. Registered buffering ensures consistent signal quality even as memory population increases.

Compatibility with Enterprise Server Platforms

This memory category is engineered to meet JEDEC DDR5 standards, ensuring broad compatibility with modern server platforms. DDR5 ECC RDIMM modules are designed to work seamlessly with the latest generation of enterprise processors and chipsets, supporting validated configurations from major server manufacturers.

Supermicro systems, in particular, are optimized to leverage the capabilities of DDR5 registered memory. Compatibility testing and platform validation ensure that memory modules operate at rated speeds and timings, delivering consistent performance and reliability in real-world deployments.

Mechanical Design and Thermal Considerations

DDR5 RDIMM modules conform to the 288-pin DIMM form factor, maintaining mechanical compatibility with DDR5 server memory slots. Precision manufacturing ensures accurate pin alignment and robust PCB construction, which are essential for maintaining reliable electrical connections over time.

Thermal performance is addressed through optimized PCB layouts and component placement that facilitate efficient heat dissipation. In densely populated servers, effective thermal management helps maintain stable operating temperatures, preventing throttling and ensuring consistent memory performance.

Enterprise Workloads and Application Scenarios

The DDR5-5600 ECC RDIMM memory category supports a wide range of enterprise and professional workloads. Virtualization environments benefit from large memory pools that allow for higher consolidation ratios and improved resource utilization. Each virtual machine can be allocated sufficient memory to maintain performance, reducing contention and improving overall system responsiveness.

Database servers leverage high-bandwidth memory to accelerate query execution and transaction processing. In-memory databases and caching layers particularly benefit from the increased throughput and capacity offered by DDR5 registered memory, enabling faster access to frequently used data.

Cloud Computing and Infrastructure Services

Cloud service providers rely on stable, high-capacity memory to deliver consistent performance across shared infrastructure. DDR5 ECC RDIMM memory supports multi-tenant environments by ensuring data integrity and predictable performance under variable workloads. The combination of ECC protection and registered buffering makes this category ideal for large-scale cloud deployments.

Containerized applications and microservices architectures also benefit from DDR5 memory’s ability to handle concurrent memory access efficiently. Improved bandwidth and subchannel architecture reduce bottlenecks, supporting smooth scaling as workloads increase.