MEM-DR512L-HL01-ER56 Supermicro 128GB PC5-44800 DDR5 288-Pin Memory Module.

Supermicro MEM-DR512L-HL01-ER56 128GB Memory

The Supermicro MEM-DR512L-CL01-ER64 is a high-performance 128GB DDR5 memory module designed for enterprise servers, data centers, and high-performance computing (HPC) applications. With a speed of 6400MHz (PC5-51200), ECC error correction, and a 288-pin DIMM design, this memory module ensures reliability, speed, and stability for mission-critical workloads.

General Information

• Brand: Supermicro
• Part Number: MEM-DR512L-HL01-ER56
• Module Type: 128GB DDR5 SDRAM (Single Unit)

Technical Specifications

• Total Capacity: 128GB per module
• Memory Standard: DDR5 SDRAM
• Transfer Rate: 5600MT/s (PC5-5600B-R
• Error Handling: ECC (Error-Correcting Code)
• Module Configuration: 2S2Rx4, Registered (Buffered)
• Latency Settings: CL46, 3DS (3D Stacked)

Physical & Dimensional Attributes

• Connector Type: 288-pin RDIMM
• Module Height: 2.00 inches
• Module Depth: 7.00 inches
• Shipping Weight: 0.20 lbs

Supermicro MEM-DR512L-HL01-ER56 128GB Memory Overview

The Supermicro MEM-DR512L-HL01-ER56 128GB DDR5-5600MHz PC5-44800 ECC SDRAM 288-Pin RDIMM Memory belongs to a high-performance enterprise memory category designed to meet the rigorous demands of modern data centers, cloud infrastructures, virtualization platforms, and mission-critical computing environments. This category focuses on registered DDR5 memory modules that deliver exceptional bandwidth, improved power efficiency, and enhanced reliability compared to previous DDR4 generations. DDR5 RDIMM memory represents a fundamental shift in server memory architecture, enabling systems to scale memory capacity while maintaining signal integrity and stability at higher frequencies.DDR5 memory introduces a dual 32-bit subchannel design per module, which significantly improves data efficiency and parallelism. In enterprise environments where multi-core processors and high thread counts are standard, this architectural improvement allows memory to keep pace with CPU performance. The Supermicro MEM-DR512L-HL01-ER56 module, operating at 5600MHz with PC5-44800 bandwidth, exemplifies the upper tier of this category by offering balanced performance and reliability optimized for server workloads.

Registered DIMM Design for Server Stability

The registered DIMM, or RDIMM, design is a defining characteristic of this memory category. RDIMMs incorporate a register between the memory controller and the DRAM chips, which reduces electrical load on the memory controller. This design allows servers to support higher memory capacities and more populated memory channels without compromising stability. The Supermicro MEM-DR512L-HL01-ER56 fits seamlessly into this category by supporting large-capacity configurations essential for enterprise servers and workstations.

In large-scale server deployments, stability is more critical than raw consumer-grade performance. RDIMM memory ensures predictable behavior under sustained workloads such as database processing, virtualization hosting, enterprise resource planning systems, and large-scale analytics. The category emphasizes consistent uptime, long-term reliability, and compatibility with server-grade chipsets, which aligns with Supermicro’s engineering standards.

DDR5-5600 Performance and Bandwidth Advantages

The DDR5-5600MHz speed grade places this memory module within a high-bandwidth segment of the enterprise memory category. With a data transfer rate of 5600 mega-transfers per second, the Supermicro MEM-DR512L-HL01-ER56 delivers a theoretical bandwidth of PC5-44800. This increased throughput directly benefits workloads that rely on fast memory access, including in-memory databases, artificial intelligence inference, machine learning training pipelines, and real-time data analytics.

Compared to earlier DDR4-based categories, DDR5 offers substantially higher bandwidth per DIMM. This allows system architects to achieve better performance with fewer memory modules, improving airflow and reducing power consumption per unit of performance. The DDR5-5600 category is particularly relevant for next-generation Intel Xeon and AMD EPYC platforms that are designed to leverage higher memory frequencies.

Optimized Data Throughput for Multi-Core CPUs

Modern server CPUs feature dozens of cores and hundreds of threads, each requiring fast access to memory. The DDR5-5600 RDIMM category addresses this challenge by increasing effective memory throughput and reducing contention. The Supermicro MEM-DR512L-HL01-ER56 supports this design philosophy by enabling smoother data flow between processors and memory subsystems.

In virtualized environments where multiple virtual machines share system resources, higher memory bandwidth ensures more consistent performance across workloads. This category is therefore well-suited for hyper-converged infrastructure, private cloud deployments, and enterprise virtualization clusters.

128GB High-Density Memory for Scalable Systems

High-capacity memory modules define another critical aspect of this category. With a capacity of 128GB per DIMM, the Supermicro MEM-DR512L-HL01-ER56 enables dense memory configurations that are essential for memory-intensive applications. This category supports servers that require terabytes of system memory, allowing organizations to scale workloads without increasing server footprint.

High-density DDR5 RDIMM memory is particularly valuable in scenarios such as large relational databases, in-memory computing platforms, scientific simulations, and enterprise data warehousing. By reducing the number of DIMMs required to reach target capacities, this category simplifies system design and enhances overall efficiency.

Memory Consolidation and Infrastructure Efficiency

The ability to deploy 128GB modules allows IT teams to consolidate workloads onto fewer physical servers. This consolidation reduces hardware costs, power consumption, and cooling requirements. The Supermicro MEM-DR512L-HL01-ER56 supports this strategic approach by providing reliable high-capacity memory that integrates smoothly into Supermicro server platforms and other compatible enterprise systems.

This category also supports future scalability, allowing organizations to expand memory capacity incrementally as workloads grow. High-density modules ensure that existing systems can be upgraded without complete hardware replacement.

ECC Error Correction for Mission-Critical Reliability

Error-Correcting Code functionality is a cornerstone of enterprise memory categories, and the Supermicro MEM-DR512L-HL01-ER56 exemplifies this requirement. ECC memory detects and corrects single-bit memory errors and detects multi-bit errors, significantly reducing the risk of data corruption. In mission-critical environments, even minor memory errors can lead to system crashes, data loss, or security vulnerabilities.

The ECC SDRAM category is essential for applications where data integrity is non-negotiable. Financial systems, healthcare platforms, telecommunications infrastructure, and government systems all depend on ECC memory to maintain operational accuracy. This category prioritizes reliability over consumer-grade features, ensuring predictable and secure system behavior.

Reduced Downtime and Enhanced Data Integrity

ECC memory contributes to reduced system downtime by preventing crashes caused by transient memory errors. The Supermicro MEM-DR512L-HL01-ER56 supports continuous operation in demanding environments where servers must run 24/7. This category is designed for organizations that require long-term stability and minimal maintenance interruptions.

In large data centers, the cumulative effect of memory errors can be significant. ECC functionality mitigates these risks, making this category a preferred choice for enterprise IT architects and system integrators.

288-Pin RDIMM Form Factor Compatibility

The 288-pin RDIMM form factor defines physical compatibility within this memory category. Designed specifically for DDR5 platforms, this form factor ensures secure installation and optimal electrical performance. The Supermicro MEM-DR512L-HL01-ER56 adheres strictly to JEDEC standards, ensuring broad compatibility with supported server motherboards.

This category emphasizes interoperability across enterprise hardware ecosystems. System builders and IT professionals rely on standardized form factors to streamline deployment and maintenance. The 288-pin RDIMM design supports higher signaling rates required for DDR5 while maintaining mechanical stability.

Seamless Integration with Supermicro Servers

As part of the Supermicro memory category, this module is optimized for use in Supermicro server platforms. Compatibility testing and validation ensure reliable operation within supported systems. This integration reduces deployment risk and simplifies system qualification processes for enterprise customers.

The category also supports integration with other leading server platforms that adhere to DDR5 RDIMM specifications, making it versatile for diverse infrastructure environments.

Advanced Power Management in DDR5 Memory

Power efficiency is a defining feature of the DDR5 memory category. DDR5 introduces on-module power management integrated circuits, which improve voltage regulation and reduce overall power consumption. The Supermicro MEM-DR512L-HL01-ER56 benefits from these advancements by delivering high performance while maintaining energy efficiency.

Lower operating voltage compared to DDR4 reduces heat generation and improves system thermal profiles. This is particularly important in high-density server environments where thermal management is a critical concern. The category supports sustainable data center initiatives by optimizing performance per watt.

Thermal Stability for Continuous Operation

Efficient power management contributes to improved thermal stability, enabling servers to operate reliably under heavy loads. The Supermicro MEM-DR512L-HL01-ER56 is well-suited for environments with sustained memory utilization, such as cloud service providers and high-performance computing clusters.

This category ensures that performance gains do not come at the cost of excessive power consumption or thermal stress.

Enterprise Workload Optimization and Use Cases

The DDR5 RDIMM memory category addresses a wide range of enterprise workloads. The Supermicro MEM-DR512L-HL01-ER56 is suitable for virtualization platforms that host multiple operating systems and applications concurrently. High memory capacity and bandwidth enable efficient resource allocation and reduced latency.

Database servers benefit significantly from this category, particularly in-memory and hybrid database architectures. Faster memory access improves query response times and transaction throughput. Similarly, analytics and big data platforms leverage high-capacity DDR5 memory to process large datasets efficiently.

Artificial Intelligence and High-Performance Computing

AI and machine learning workloads often require large memory footprints and fast data access. The DDR5-5600 RDIMM category supports these requirements by providing ample capacity and bandwidth. The Supermicro MEM-DR512L-HL01-ER56 enables faster model training and inference by reducing memory bottlenecks.

High-performance computing environments also benefit from this category, particularly in simulations, modeling, and scientific research applications that demand consistent memory performance.

Quality Assurance and Enterprise-Grade Validation

Enterprise memory categories prioritize quality assurance and rigorous testing. The Supermicro MEM-DR512L-HL01-ER56 undergoes extensive validation to ensure compatibility, reliability, and performance consistency. This category emphasizes long-term durability and predictable lifecycle management.

Supermicro’s commitment to quality ensures that memory modules meet stringent industry standards and perform reliably in demanding environments. This focus on validation distinguishes enterprise-grade memory from consumer alternatives.

Lifecycle and Long-Term Availability

Long-term availability is a critical factor in enterprise deployments. The DDR5 RDIMM category supports extended product lifecycles, allowing organizations to maintain consistent hardware configurations over time. The Supermicro MEM-DR512L-HL01-ER56 aligns with this requirement by offering stable supply and compatibility across server generations.

This approach simplifies maintenance, reduces qualification overhead, and supports long-term infrastructure planning.

Scalable Memory Architecture for Future Growth

The enterprise DDR5 RDIMM category is designed with future scalability in mind. As workloads evolve and data volumes increase, systems must be able to expand memory capacity without fundamental redesign. The Supermicro MEM-DR512L-HL01-ER56 supports this forward-looking approach by enabling high-capacity configurations that can scale alongside business needs.

DDR5 technology ensures that memory subsystems remain relevant as processor architectures advance. This category supports higher speeds, greater densities, and improved efficiency, making it a strategic investment for organizations planning long-term infrastructure growth.

Foundation for Next-Generation Data Centers

Next-generation data centers require memory solutions that balance performance, reliability, and efficiency. The DDR5-5600 ECC RDIMM category addresses these requirements by providing a robust foundation for modern workloads. The Supermicro MEM-DR512L-HL01-ER56 exemplifies the strengths of this category, offering enterprise-grade memory designed to support evolving computing demands.

This category continues to play a central role in enabling digital transformation, cloud adoption, and data-driven innovation across industries.