MEM-DR512PC-ER64 Supermicro 128GB DDR5 PC5-51200 Memory Module for Server.

Highlights of Supermicro MEM-DR512PC-ER64 128GB DDR5 Ram

The Supermicro MEM-DR512PC-ER64 is a high-capacity DDR5 RDIMM memory solution designed for next-generation servers. With ultra-fast data speeds, ECC protection, and registered signal processing, this 128GB memory module is ideal for enterprise workloads, virtualization, cloud computing, and data-intensive applications.

General Information

• Manufacturer: Supermicro
• Part Number: MEM-DR512PC-ER64
• Product Type: Server Memory Module
• Sub Type: DDR5 6400MHz PC5-51200

Technical Specifications

• Total Capacity: 128GB
• Module Quantity: 1 × 128GB
• Memory Technology: DDR5 SDRAM
• Bus Speed: DDR5-6400 / PC5-51200
• Error Correction: ECC support for data accuracy
• Signal Processing: Registered (RDIMM)
• CAS Latency: CL52
• Rank Configuration: Dual Rank (2Rx4)

Physical Characteristics

Form Factor & Dimensions

• Form Factor: 288-Pin RDIMM
• Shipping Height: 1.00 inch
• Shipping Depth: 6.75 inches
• Shipping Weight: 0.20 lb

Compatibility

Validated Server & CPU Compatibility

• Compatible with Supermicro X13 series servers and newer platforms designed for DDR5 memory
• Works with servers powered by 4th Gen Intel® Xeon® Scalable processors (Sapphire Rapids) high throughput and reliability
• Supported on systems with AMD EPYC™ 9004 series (Genoa) CPUs that accept DDR5-6400 RDIMM modules

Memory Slot & DIMM Requirements

• Requires a standard 288-pin RDIMM ECC registered memory socket, common in server motherboards that support DDR5 modules.
• Only compatible with systems that support **DDR5 ECC RDIMM** architecture — it will not work in non-ECC or desktop UDIMM slots.

Overview of Supermicro MEM-DR512PC-ER64 DDR5 PC5-51200

The Supermicro MEM-DR512PC-ER64 128GB DDR5 6400MHz PC5-51200 2Rx4 ECC 288-Pin RDIMM Memory Module is part of an advanced category of server memory designed to meet the growing performance demands of modern data centers and enterprise computing environments. This memory module category offers a combination of high capacity, exceptional speed, and error-correcting capabilities that make it suitable for mission-critical workloads where reliability, stability, and performance are paramount. As data-intensive applications continue to evolve, the need for high-speed, high-capacity memory modules such as the MEM-DR512PC-ER64 has become increasingly important to support virtualization, database management, AI processing, and large-scale computational workloads.

DDR5 6400MHz Performance Advantages

Operating at a frequency of 6400MHz, this category of memory provides significant bandwidth improvements over previous DDR4-based solutions. The DDR5 standard introduces enhancements such as improved signal integrity, higher transfer rates, and lower operating voltages. The high data rate of PC5-51200 ensures faster communication between the memory and the processor, which is essential for multi-core server processors that handle simultaneous, high-volume workloads. Within this category, the MEM-DR512PC-ER64 modules deliver consistent throughput and low latency, allowing enterprise servers to maintain optimal performance even under heavy transactional or computational loads.

128GB High-Density Capacity for Scalable Server Deployment

One of the defining characteristics of this memory category is the high 128GB module capacity. This high-density design enables IT administrators to scale memory capacity within a server efficiently, minimizing the number of physical DIMM slots required for large memory configurations. By reducing slot utilization while maximizing memory capacity, the MEM-DR512PC-ER64 category helps optimize server rack density and power consumption. High-capacity memory modules allow enterprises to consolidate workloads, increase virtual machine density, and support larger datasets in memory-intensive applications.

ECC and Registered DIMM Reliability

Reliability is a fundamental requirement in server memory, and this category of Supermicro memory features ECC (Error-Correcting Code) functionality. ECC is critical for detecting and correcting single-bit memory errors, which helps prevent data corruption, system crashes, and downtime in enterprise server environments. ECC memory modules like the MEM-DR512PC-ER64 provide peace of mind for IT administrators who require consistent system stability and data integrity, particularly in environments where high uptime is essential. Additionally, this memory category features registered DIMM (RDIMM) technology, incorporating a register between the DRAM chips and the memory controller.

2Rx4 Dual-Rank Architecture

The MEM-DR512PC-ER64 falls within the 2Rx4 dual-rank memory module configuration, which distributes data across two ranks of x4 DRAM chips. This architecture improves memory parallelism, allowing the server to process multiple memory operations simultaneously. Dual-rank modules typically deliver better performance in memory-intensive applications compared to single-rank modules, particularly when the server workload involves simultaneous read and write operations. The x4 DRAM organization enhances ECC functionality and provides greater error correction capabilities compared to x8 or x16 DRAM configurations, making this category particularly reliable for enterprise workloads.

288-Pin DDR5 RDIMM Form Factor

This memory category uses the 288-pin RDIMM form factor, standard for DDR5 server modules. The standardized pin configuration ensures proper connectivity and power delivery to compatible server motherboards. With the MEM-DR512PC-ER64, system integrators and IT administrators can deploy high-speed memory across multiple server models without compromising on reliability or performance. The module’s form factor also facilitates efficient thermal management within rack-mounted and blade server systems, supporting stable operation under sustained workloads.

Supermicro Server Platforms

As part of Supermicro’s ecosystem, this category of memory is validated for compatibility with Supermicro server platforms. This validation process ensures the modules operate within recommended voltage, timing, and thermal parameters, providing a reliable memory solution for enterprise servers. While optimized for Supermicro servers, these DDR5 RDIMM modules may also support other server brands that adhere to the DDR5 RDIMM specification, although system-level compatibility should be confirmed to maximize performance and stability.

Thermal Performance

The MEM-DR512PC-ER64 memory category leverages DDR5 power management improvements, including on-module power management integrated circuits (PMICs) and reduced operating voltage. These features help lower overall power consumption and heat generation compared to previous DDR4 modules, contributing to energy efficiency in large-scale server deployments. Efficient thermal performance reduces the risk of thermal throttling, prolongs module lifespan, and maintains consistent operation even in high-density server racks with multiple populated memory channels.

Scalability for Enterprise Workloads

High-density DDR5 memory modules like the MEM-DR512PC-ER64 enable scalable memory configurations that grow with enterprise workload demands. Organizations can incrementally expand memory capacity to support increased virtualization, cloud computing, AI workloads, and large-scale data analytics without requiring a complete system upgrade. By standardizing on this category of memory, IT teams can simplify deployment, reduce compatibility issues, and maintain consistent performance across multiple server platforms.

Enterprise Use Cases

The Supermicro MEM-DR512PC-ER64 category is suitable for a wide range of enterprise applications. In virtualization environments, high-capacity DDR5 memory enables hosting of more virtual machines per server, increasing consolidation ratios and reducing infrastructure costs. In database applications, large in-memory caches supported by 128GB modules accelerate query performance, reduce disk I/O, and improve transaction throughput. Real-time analytics, big data processing, AI and machine learning workloads, and high-performance computing all benefit from the increased bandwidth, low latency, and large capacity of this memory category.

Machine Learning and HPC Workloads

AI and high-performance computing applications require rapid access to large volumes of data. The MEM-DR512PC-ER64 modules provide the necessary capacity and speed to handle complex models, large datasets, and highly parallel computational tasks. High-speed DDR5 memory ensures that processors can operate at peak efficiency without being constrained by memory bandwidth limitations, which is critical for reducing computation times and increasing throughput in AI training, inference, and scientific simulations.

Data Center and Cloud Applications

In data center and cloud computing environments, memory scalability and performance are vital. High-capacity DDR5 memory modules like the MEM-DR512PC-ER64 allow data centers to deploy servers capable of supporting large-scale multi-tenant applications. The modules contribute to reduced latency, faster application response, and improved service reliability, which are essential for cloud providers and enterprise IT departments managing complex workloads and service-level agreements.

Long-Term Reliability and Validation

Enterprise memory must offer long-term reliability to prevent costly downtime and data loss. Supermicro validates the MEM-DR512PC-ER64 modules for extended operation in high-demand server environments, ensuring consistent performance and minimal failure rates. By incorporating ECC and RDIMM architecture, this category meets rigorous reliability standards required by mission-critical enterprise infrastructure, financial systems, telecommunications networks, and cloud service operations.

Future-Proof Investment in DDR5 Technology

As server architectures evolve, DDR5 memory provides a future-ready solution. The MEM-DR512PC-ER64 category allows enterprises to adopt next-generation server designs, support growing workload demands, and maintain system compatibility with upcoming processor and chipset advancements. Investing in high-speed, high-capacity DDR5 memory ensures longevity and adaptability in enterprise infrastructure, making it a strategic choice for organizations seeking performance, reliability, and scalability.

Integration with Advanced Server Chipsets

Modern server chipsets are engineered to leverage DDR5 memory improvements, including increased channel counts, improved memory interleaving, and enhanced reliability features. The MEM-DR512PC-ER64 category integrates seamlessly with these chipsets, enabling optimal utilization of available memory bandwidth. This ensures balanced system performance, allowing CPUs, memory, and storage subsystems to operate efficiently together for mission-critical applications.

Standardization for Enterprise Deployment

Standardizing memory across server fleets simplifies procurement, configuration, and maintenance. The MEM-DR512PC-ER64 category provides consistent specifications that IT teams can rely on to achieve predictable performance and simplified validation across multiple server models. This approach reduces the risk of configuration errors, ensures compatibility across servers, and provides a clear path for upgrades as memory demands increase.