MEM-DR516L-HL02-ER56 Supermicro 16GB DDR5 5600MHz PC5-44800 SDRAM CL46 ECC RDIMM RAM

Supermicro 16GB DDR5 SDRAM DIMM Memory

The Supermicro MEM-DR516L-HL02-ER56 is a high-performance 16GB DDR5 SDRAM server memory module engineered for speed, reliability, and efficiency. Designed for enterprise-grade systems, it ensures optimal data integrity and seamless multitasking.

General Details

• Brand: Supermicro
• Model Number: MEM-DR516L-HL02-ER56
• Category: 16GB DDR5 SDRAM DIMM Memory 

Technical Specifications

Capacity & Technology

• Storage Size: 16GB
• Memory Type: DDR5 SDRAM
• Module Count: 1 x 16GB

Performance Details

• Transfer Rate: 5600Mbps DDR5-5600 / PC5-44800
• Error Correction: ECC (Error-Correcting Code)
• Signal Handling: Registered
• CAS Latency: CL46
• Rank Configuration: 1Rx8

Physical Attributes

Form Factor

• Design: 288-pin RDIMM

Dimensions & Weight

• Height: 1.00 inch
• Depth: 6.75 inches
• Weight: 0.20 lb

MEM-DR516L-HL02-ER56 DDR5 PC5-44800 Memory Overview

The enterprise server memory category represents a foundational component in modern data center architecture, supporting compute-intensive workloads, virtualization platforms, cloud infrastructures, and mission-critical business applications. Within this category, DDR5 registered server memory modules play a crucial role in enabling higher bandwidth, improved power efficiency, and increased capacity scalability compared to previous generations. The Supermicro MEM-DR516L-HL02-ER56 16GB DDR5 5600MHz ECC Registered RDIMM module exemplifies this category by combining performance-focused specifications with reliability-oriented design attributes that are essential for enterprise-grade server environments.

Server memory differs fundamentally from consumer desktop memory in its electrical design, error handling capabilities, and validation processes. ECC registered memory modules such as this Supermicro offering are engineered to maintain data integrity under sustained workloads and high-density configurations. The category addresses the needs of IT administrators, system integrators, and enterprise architects who prioritize uptime, predictable performance, and long-term platform compatibility.

DDR5 Technology in Server Memory

DDR5 SDRAM marks a significant technological evolution in the server memory category, introducing architectural improvements that directly benefit enterprise systems. Operating at 5600MHz, this DDR5 module delivers substantially higher bandwidth than DDR4 counterparts, enabling faster data transfers between the processor and memory subsystem. The increased speed supports modern CPUs with higher core counts and more aggressive parallel processing capabilities.

DDR5 memory introduces on-die ECC for improved reliability at the silicon level, complementing system-level ECC functionality provided by registered DIMMs. The result is a memory category that is better suited for handling the complexity of modern workloads such as real-time analytics, AI inference, virtualization clusters, and high-performance computing applications. The Supermicro MEM-DR516L-HL02-ER56 module fits squarely within this advanced DDR5 server memory segment, offering a balanced combination of speed, stability, and efficiency.

Bandwidth and Data Throughput Characteristics

With a PC5-44800 data rate, DDR5 5600MHz memory modules provide exceptional throughput that helps eliminate memory bottlenecks in data-intensive applications. In server environments where multiple virtual machines or containers are accessing memory simultaneously, this increased bandwidth allows for smoother multitasking and reduced latency. The category emphasizes sustained throughput rather than peak burst performance, making it ideal for continuous enterprise workloads.

The improved channel efficiency of DDR5 also contributes to better scalability in multi-socket server platforms. By optimizing how data is accessed and transferred, DDR5 memory supports more efficient utilization of CPU resources, which is especially important in densely populated rack servers and blade systems.

Power Efficiency and Voltage Optimization

Operating at 1.1 volts, DDR5 server memory introduces notable power efficiency improvements compared to earlier generations. Lower operating voltage reduces overall power consumption and heat generation, which is critical in large-scale data centers where energy efficiency directly impacts operational costs. The server memory category increasingly emphasizes performance-per-watt metrics, and DDR5 RDIMMs align well with these sustainability objectives.

The Supermicro MEM-DR516L-HL02-ER56 module leverages these voltage optimizations to maintain stable performance while minimizing thermal output. This contributes to improved system cooling efficiency and allows for higher memory densities without exceeding thermal design limits.

ECC Registered RDIMM Architecture

Error Correcting Code registered DIMMs represent a core subcategory within enterprise server memory, designed specifically to ensure data integrity and signal stability. ECC functionality enables the detection and correction of single-bit memory errors, preventing data corruption that could otherwise lead to application crashes or system downtime. In mission-critical environments such as financial systems, healthcare platforms, and enterprise databases, ECC memory is a non-negotiable requirement.

Registered DIMMs include a register between the memory controller and the DRAM chips, which reduces electrical load and improves signal integrity. This design allows servers to support larger memory capacities and more populated DIMM slots without sacrificing stability. The Supermicro 16GB DDR5 ECC Registered RDIMM module exemplifies this architecture, making it suitable for scalable server configurations.

Signal Integrity and Stability Benefits

Registered memory modules are engineered to maintain consistent signal timing across all memory chips, which is essential in multi-DIMM configurations. By buffering address and command signals, RDIMMs reduce the strain on the memory controller, enabling reliable operation even in systems with high memory density. This stability is a defining characteristic of the server memory category and a key reason why RDIMMs are preferred in enterprise servers.

In workloads that require continuous operation over extended periods, such as database servers or virtualization hosts, signal integrity directly impacts system reliability. The ECC registered design of this Supermicro module ensures that memory-related errors are minimized, contributing to overall system resilience.

Error Correction and Data Integrity

ECC functionality is central to the value proposition of enterprise server memory. By automatically correcting single-bit errors and detecting multi-bit errors, ECC memory protects data integrity without impacting system performance. This is particularly important in environments where memory errors could lead to incorrect calculations, corrupted datasets, or service interruptions.

The server memory category emphasizes proactive error management, and ECC registered modules like the MEM-DR516L-HL02-ER56 provide a robust solution for maintaining data accuracy. This makes them suitable for applications that demand high levels of trust and reliability.

Capacity and Scalability Considerations

The 16GB capacity of this DDR5 RDIMM positions it as a versatile option within the server memory category. It is suitable for a wide range of server configurations, from entry-level enterprise systems to large-scale deployments where multiple modules are combined to achieve higher total memory capacity. This flexibility allows system designers to scale memory resources according to workload requirements.

Scalability is a defining feature of server memory, and registered DIMMs support this by enabling more slots to be populated without compromising stability. The Supermicro 16GB module can be used as a building block in memory configurations that grow over time, supporting evolving business needs.

Use in Multi-DIMM Server Configurations

In multi-socket servers, memory capacity and bandwidth scale with the number of installed DIMMs. The registered design of this module allows for consistent performance across all slots, making it ideal for systems that require balanced memory distribution. This is especially relevant in NUMA architectures, where memory locality affects application performance.

By using multiple 16GB DDR5 RDIMMs, organizations can tailor their memory configurations to specific workloads, whether optimizing for capacity, bandwidth, or cost efficiency. The category supports this modular approach, enabling precise resource allocation.

Compatibility with Enterprise Server Platforms

Server memory modules must meet strict compatibility and validation standards to ensure seamless integration with enterprise hardware platforms. Supermicro designs its memory modules to align with its server systems, ensuring optimal compatibility with supported chipsets and processors. This category places a strong emphasis on vendor validation, reducing the risk of incompatibility issues.

The MEM-DR516L-HL02-ER56 module is intended for use in DDR5-capable server platforms that support ECC registered memory. Its 288-pin RDIMM form factor conforms to industry standards, facilitating integration into a wide range of enterprise servers.

Latency and Timing Characteristics

Latency plays an important role in overall memory performance, particularly in applications that involve frequent random memory access. With a CAS latency of CL46, this DDR5 5600MHz module balances high frequency operation with stable timing characteristics. In the context of server memory, consistent and predictable latency is often more important than achieving the lowest possible latency values.

The category prioritizes reliability and sustained performance over aggressive timing optimizations. The CL46 specification reflects a design choice that supports stable operation at high speeds, making it suitable for enterprise workloads that demand continuous uptime.

Impact on Enterprise Workloads

In database servers, virtualization platforms, and analytics systems, memory latency influences response times and throughput. DDR5 memory with optimized timing characteristics ensures that processors can access data efficiently, reducing wait states and improving overall system responsiveness. The Supermicro 16GB DDR5 RDIMM module contributes to this performance profile by delivering consistent access times under load.

The server memory category recognizes that real-world performance depends on a combination of frequency, latency, and architectural efficiency. DDR5 technology addresses these factors holistically, providing a balanced solution for enterprise environments.

Thermal and Environmental Considerations

Thermal management is a critical aspect of server memory design, particularly in densely packed data center environments. DDR5 memory modules generate less heat due to lower operating voltage, contributing to improved thermal efficiency. This aligns with the category’s focus on reducing cooling requirements and enhancing overall system reliability.

The Supermicro MEM-DR516L-HL02-ER56 module is designed to operate within the thermal constraints of enterprise servers, supporting continuous operation without thermal throttling. This makes it suitable for high-density deployments where airflow and cooling resources must be carefully managed.

Reliability in Continuous Operation

Enterprise servers often operate 24/7, handling critical workloads without interruption. Memory modules in this category are engineered to withstand prolonged usage under varying thermal conditions. Rigorous testing and validation ensure that DDR5 RDIMMs maintain stable performance throughout their operational lifespan.

The emphasis on reliability extends beyond component design to include manufacturing quality and compatibility assurance. Supermicro’s approach to server memory aligns with these category expectations, delivering modules that meet the demands of continuous enterprise operation.

Application Scenarios and Workload Suitability

The server memory category encompasses a wide range of application scenarios, from virtualization and cloud computing to enterprise databases and high-performance computing. The Supermicro 16GB DDR5 5600MHz ECC Registered RDIMM module is well-suited for these use cases, providing the performance and reliability required to support diverse workloads.

In virtualization environments, memory capacity and bandwidth directly impact the number of virtual machines that can be hosted on a single server. DDR5 memory enhances consolidation ratios by providing higher throughput and efficient power usage. This category supports scalable infrastructure designs that adapt to changing workload demands.

Cloud and Data Center Deployments

Cloud service providers and data center operators rely on server memory that delivers consistent performance across large-scale deployments. ECC registered DDR5 modules contribute to service reliability by minimizing memory-related errors and downtime. The 16GB capacity allows for flexible configuration strategies that balance cost and performance.

The category’s focus on standardization and compatibility ensures that memory modules can be deployed across homogeneous server fleets, simplifying maintenance and inventory management. Supermicro’s DDR5 RDIMM offerings align with these operational requirements.

Database and Analytics Platforms

Enterprise databases and analytics platforms demand high memory bandwidth and reliability to process large datasets efficiently. DDR5 memory supports faster query execution and improved throughput, enhancing overall system performance. ECC functionality ensures that data integrity is maintained, which is critical in financial, scientific, and business intelligence applications.

The Supermicro MEM-DR516L-HL02-ER56 module provides a reliable memory foundation for such workloads, supporting consistent performance under heavy data access patterns.

Form Factor and Physical Design

The 288-pin RDIMM form factor is a standard within the DDR5 server memory category, designed to fit enterprise server motherboards. This standardized design ensures compatibility across a wide range of platforms, facilitating upgrades and replacements. Physical robustness and precise manufacturing tolerances contribute to reliable installation and long-term operation.

Server memory modules are designed to withstand the mechanical stresses associated with installation, removal, and thermal cycling. The Supermicro 16GB DDR5 RDIMM adheres to these design principles, ensuring durability in demanding environments.

Integration with Server Architecture

Memory integration plays a crucial role in overall server architecture, influencing performance, scalability, and reliability. DDR5 RDIMMs are designed to work seamlessly with modern server chipsets and processors, supporting advanced memory features and optimized data paths. This category emphasizes holistic system design, where memory is a key component of the performance equation.

The Supermicro MEM-DR516L-HL02-ER56 module integrates smoothly into supported server platforms, enabling organizations to build reliable and efficient systems that meet enterprise requirements.