MEM-DR512MH-ER48 Supermicro 128GB DDR5-4800MHz 4rX4 Ecc Pc5-38400

Highlights of Supermicro MEM-DR512MH-ER48 128GB DDR5 Ram

The Supermicro MEM-DR512MH-ER48 is a high-density 128GB DDR5 RDIMM memory module designed for enterprise servers and data center infrastructures. Operating at 4800MHz (PC5-38400), this module delivers balanced performance, enhanced reliability, and efficient data handling for demanding server workloads.

General Information

• Manufacturer: Supermicro
• Part Number: MEM-DR512MH-ER48
• Product Type: Server Memory Module
• Sub Type: DDR5 SDRAM

Technical Specifications

• Total Memory Capacity: 128GB
• Memory Technology: DDR5 SDRAM
• Module Configuration: 1 x 128GB
• Memory Speed: 4800MHz DDR5
• Memory Standard: PC5-38400
• CAS Latency: CL40
• Rank Configuration: 4Rx4
• Signal Type: Registered (RDIMM)
• Error Protection: ECC Enabled

Physical Characteristics

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

Compatibility

Supported Server Platforms

• Supermicro servers with DDR5 RDIMM memory support
• Enterprise and data center systems requiring 288-pin DDR5 modules
• Servers based on Intel® Xeon® Scalable and AMD EPYC™ processors with DDR5 architecture

Memory Slot and System Requirements

• 288-pin RDIMM memory slots
• DDR5-compatible server motherboard
• Registered (RDIMM) memory support enabled in system BIOS

Overview Of Supermicro MEM-DR512MH-ER48 DDR5 4800MHz

The Supermicro MEM-DR512MH-ER48 128GB DDR5-4800MHz PC5-38400 RDIMM 4Rx4 ECC Memory Module belongs to a high-capacity enterprise server memory category engineered for stability, scalability, and sustained performance in modern data center environments. This category represents registered DDR5 memory modules specifically designed to support multi-socket server architectures, high core-count processors, and memory-intensive workloads that define contemporary enterprise computing. With a focus on reliability and predictable behavior under continuous load, this class of memory is fundamental to mission-critical IT infrastructure.

High-Density 128GB RDIMM Configuration for Modern Servers

The 128GB capacity per module defines this category as a solution for servers that require extreme memory density. High-density RDIMM configurations reduce the number of DIMM slots needed to reach large total memory capacities, which is especially important in systems with limited physical space or where airflow and thermal efficiency are priorities. The Supermicro MEM-DR512MH-ER48 enables enterprise servers to reach multi-terabyte memory configurations while preserving expansion flexibility.

4Rx4 Memory Rank Architecture and Its Impact

The 4Rx4 rank configuration of this memory module reflects a quad-rank design that enhances memory density and performance characteristics. Multiple ranks allow the memory controller to interleave access patterns, improving effective bandwidth and utilization under certain workloads. In enterprise servers, rank interleaving can help reduce idle cycles and improve responsiveness during concurrent memory access operations.

DDR5-4800MHz Operating Frequency Characteristics

Operating at 4800MHz, this category of DDR5 server memory delivers a balanced combination of bandwidth and power efficiency. While higher frequencies are available within the DDR5 ecosystem, DDR5-4800MHz represents a widely supported and validated speed tier for enterprise server platforms. The Supermicro MEM-DR512MH-ER48 leverages this frequency to provide consistent performance across diverse workloads without exceeding thermal or power constraints.

PC5-38400 Bandwidth and Data Throughput

The PC5-38400 specification indicates a theoretical maximum bandwidth of 38.4GB per second per module. This level of throughput supports modern server workloads that rely on rapid data movement between memory and processing units. In multi-channel memory configurations, the aggregate bandwidth provided by multiple PC5-38400 RDIMM modules can sustain high-performance computing tasks and data-intensive enterprise applications. Bandwidth consistency is a critical consideration in enterprise environments where performance predictability is essential.

ECC Protection and Data Integrity in Enterprise Memory

Error-correcting code functionality is a foundational requirement for this category of server memory. The Supermicro MEM-DR512MH-ER48 incorporates ECC to detect and correct single-bit errors and identify multi-bit errors, safeguarding data integrity throughout the system. ECC memory is essential for preventing silent data corruption, which can have severe consequences in enterprise and mission-critical applications. By automatically correcting errors in real time, ECC memory reduces the likelihood of system crashes, data loss, and application instability.

Reliability Under Continuous and Sustained Workloads

Enterprise server memory must operate reliably under sustained workloads that can last for months or years without interruption. This category of DDR5 RDIMM memory is engineered to meet such demands through robust component selection, stringent validation processes, and advanced thermal management features. The Supermicro MEM-DR512MH-ER48 is designed to deliver consistent performance even under constant high utilization. Thermal stability is enhanced by DDR5’s on-module power management architecture, which improves voltage regulation and reduces power noise.

Registered Buffering and Signal Integrity Benefits

Registered buffering is a defining feature of this category, enabling servers to scale memory capacity without compromising electrical stability. The register acts as an intermediary, re-driving signals to the DRAM devices and reducing the load on the memory controller. This design is essential for maintaining signal integrity in high-density configurations. For enterprise servers with multiple memory channels and DIMM slots, registered buffering ensures consistent timing and reduces the risk of signal degradation. The Supermicro MEM-DR512MH-ER48 leverages this technology to provide reliable operation across supported server platforms, making it suitable for large-scale deployments.

Enterprise Server Platforms

The 288-pin RDIMM form factor ensures compatibility with a wide range of enterprise server motherboards that support DDR5 memory. This category is specifically intended for modern server platforms designed to leverage DDR5’s architectural improvements. The Supermicro MEM-DR512MH-ER48 is validated for integration into Supermicro server systems, ensuring optimal compatibility and performance when deployed within supported configurations. Compatibility extends beyond physical dimensions to include firmware and BIOS-level support for high-capacity DDR5 modules.

Multi-Socket Server and NUMA

In multi-socket server architectures, memory performance is closely tied to non-uniform memory access behavior. This category of DDR5 RDIMM memory supports optimized NUMA configurations by providing ample capacity and bandwidth per socket. The Supermicro MEM-DR512MH-ER48 enables balanced memory allocation across CPU sockets, reducing access latency and improving application performance. High-capacity memory per socket is particularly beneficial for workloads that require large shared memory pools or memory-intensive processing localized to specific CPU nodes. This category supports such configurations, enhancing overall system efficiency in complex enterprise environments.

Hypervisor-Oriented Deployments

Virtualization platforms place unique demands on server memory, requiring both high capacity and predictable performance. This category of 128GB DDR5 RDIMM memory is well-suited for hypervisor-based environments where multiple virtual machines compete for memory resources. The Supermicro MEM-DR512MH-ER48 allows administrators to allocate generous memory resources to each virtual machine, improving performance and isolation. DDR5’s improved efficiency and bandwidth help maintain consistent performance across virtualized workloads, even during peak utilization.

Containerized and Cloud-Native Workloads

Containerized applications and cloud-native architectures rely on rapid memory access and efficient resource utilization. This category of server memory supports these requirements by providing high-capacity, low-latency memory resources that can be dynamically allocated to containers. The Supermicro MEM-DR512MH-ER48 enables dense container deployments without sacrificing performance. In cloud service provider environments, high-density DDR5 RDIMM modules help maximize workload density per physical host, improving overall infrastructure efficiency.

Performance Characteristics for Data-Intensive Applications

Data-intensive enterprise applications require memory subsystems capable of sustaining high throughput and low latency. This category of DDR5-4800MHz RDIMM memory provides the performance characteristics necessary to support such workloads. The Supermicro MEM-DR512MH-ER48 enables servers to process large datasets efficiently, reducing bottlenecks and improving overall application responsiveness. Applications such as real-time analytics, transactional databases, and large-scale simulations benefit from the consistent performance delivered by this category.

Database Servers and In-Memory Data Processing

Database servers rely heavily on memory performance to deliver fast query response times and high transaction throughput. This category of 128GB DDR5 RDIMM memory supports extensive in-memory caching and data processing, reducing dependence on slower storage layers. The Supermicro MEM-DR512MH-ER48 enables databases to store larger working datasets in memory, improving performance and scalability. In-memory data processing frameworks benefit from DDR5’s architectural enhancements, including improved parallelism and efficient subchannel operation. This category supports advanced database technologies and real-time analytics platforms that demand rapid access to large volumes of data.

Computing and Scientific Workloads

High-performance computing environments require memory solutions that can sustain continuous, data-intensive workloads. This category of DDR5 RDIMM memory provides the bandwidth and capacity needed for scientific simulations, modeling, and research applications. The Supermicro MEM-DR512MH-ER48 supports parallel processing by ensuring that compute nodes have rapid access to shared datasets. Consistency and reliability are critical in HPC environments, where long-running jobs must complete without interruption. The ECC protection and robust design of this category help ensure accurate results and stable operation throughout extended computation cycles.

Machine Learning Support

Artificial intelligence and machine learning workloads are increasingly memory-bound, requiring large datasets to be processed efficiently. This category of server memory provides the capacity needed to hold training datasets and model parameters in memory, reducing data transfer overhead. The Supermicro MEM-DR512MH-ER48 supports CPU-based AI workloads by delivering predictable memory performance. By enabling faster data access and reducing latency, DDR5 RDIMM memory helps accelerate training and inference processes. This category is therefore a key component in enterprise AI infrastructure and research-oriented server deployments.

Enterprise Lifecycle, Scalability, and Deployment Value

Enterprise server memory must align with long-term infrastructure strategies, providing consistent performance and reliability over extended deployment lifecycles. This category of DDR5 RDIMM memory is designed to meet these requirements, offering durability and compatibility with evolving server platforms. The Supermicro MEM-DR512MH-ER48 represents a long-term investment in scalable and resilient memory architecture. By adopting high-capacity DDR5 memory modules, organizations can future-proof their server infrastructure, accommodating growing workloads without frequent hardware replacements. This category supports incremental upgrades, enabling enterprises to expand memory capacity as demands increase..

Quality Assurance and Validation Standards

Memory modules within this category undergo rigorous quality assurance and validation processes to ensure compatibility and reliability in enterprise server platforms. The Supermicro MEM-DR512MH-ER48 is designed to meet strict industry standards, providing confidence in its performance and longevity. Vendor validation ensures seamless integration with supported server systems, reducing deployment risks and simplifying infrastructure management. This focus on quality and compatibility is a defining characteristic of enterprise DDR5 RDIMM memory.

Enterprise Readiness and Infrastructure Alignment

Enterprise readiness encompasses more than technical specifications; it includes long-term availability, support, and compatibility with future platforms. This category of DDR5 RDIMM memory is intended to support enterprise workloads over extended periods, ensuring consistent performance as infrastructure evolves. The Supermicro MEM-DR512MH-ER48 embodies the principles of enterprise-grade memory design, providing a reliable foundation for modern server architectures and supporting the ongoing digital transformation of enterprise IT environments.