MEM-DR512PC-ER56 Supermicro 128GB PC5-44800 ECC Memory

Highlights of Supermicro MEM-DR512PC-ER56 128GB DDR5 Ram

The Supermicro MEM-DR512PC-ER56 is a high-capacity 128GB DDR5 RDIMM memory module designed for enterprise servers and high-performance computing systems. Operating at a blazing 5600MT/s (PC5-44800), it delivers superior speed, reliability, and stability for demanding applications such as virtualization, cloud computing, and large-scale database management.

General Information

• Manufacturer: Supermicro
• Part Number: MEM-DR512PC-ER56
• Product Type: Server Memory Module
• Sub Type: DDR5 PC5-44800 5600MT/s

Technical Specifications

• Total Capacity: 128GB
• Memory Type: DDR5 SDRAM
• Module Configuration: 1 x 128GB
• Bus Speed: 5600MT/s DDR5 / PC5-44800
• CAS Latency: CL40
• Rank Configuration: 2Rx4
• Rank Type: 2Rx4
• Signal Type: Registered (RDIMM)
• Error Protection: ECC Enabled

Physical Characteristics

• Form Factor: 288-Pin RDIMM
• Module Height: 1.00 Inch
• Module Depth: 6.75 Inches

Compatibility.

Supported Server Platforms

• Supermicro servers with DDR5 RDIMM memory support
• Enterprise-grade systems requiring 288-pin DDR5 modules
• Servers built on Intel® Xeon® Scalable or AMD EPYC™ processors with DDR5 architecture

Memory Slot and System Requirements

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

Overview of Supermicro MEM-DR512PC-ER56 128GB 5600MT/s

The Supermicro MEM-DR512PC-ER56 128GB DDR5 PC5-44800 5600MT/s 2S2Rx4 288-Pin RDIMM SDRAM ECC Memory Module represents one of the most advanced offerings in the enterprise server memory category. Designed for modern multi-socket servers and mission-critical data centers, this memory module delivers high capacity, ultra-fast transfer rates, and robust error correction capabilities. Memory solutions in this category are specifically engineered to meet the needs of virtualization platforms, cloud infrastructure, high-performance computing, scientific simulations, in-memory databases, AI workloads, and real-time analytics, where stability and data integrity are paramount.

128GB High-Density RDIMM Architecture

The 128GB RDIMM configuration is at the core of this memory category, enabling enterprise servers to handle workloads that require substantial memory resources. High-density RDIMM modules reduce the number of DIMMs needed to achieve large total system memory, optimizing motherboard slot usage and improving thermal management. The Supermicro MEM-DR512PC-ER56 128GB RDIMM is ideal for applications that require rapid access to large datasets, including virtualization, cloud-native applications, high-throughput databases, and analytics systems. Registered DIMMs (RDIMMs) include a register between the memory controller and DRAM chips, serving as a buffer that reduces the electrical load on the memory controller.

2S2Rx4 Memory Rank Organization

The 2S2Rx4 architecture refers to dual-sided modules with two ranks per side and x4 DRAM organization. Rank interleaving allows the memory controller to access multiple ranks simultaneously, improving effective memory bandwidth and reducing latency. The x4 organization enhances error detection and correction when paired with ECC, making this category particularly reliable for high-availability and mission-critical systems. This memory rank architecture is optimized for a variety of enterprise workloads, including virtualization, large-scale in-memory databases, AI training, scientific simulations, and cloud computing.

DDR5-5600MT/s Frequency and Bandwidth

The Supermicro MEM-DR512PC-ER56 operates at 5600MT/s, delivering high data transfer rates for memory-intensive workloads. DDR5’s dual independent subchannel design splits each DIMM into two 32-bit channels, enhancing parallelism and enabling more efficient memory access. This allows servers to maintain high throughput, even under heavy concurrent workloads. Compared to DDR4 modules, DDR5-5600MT/s RDIMMs offer higher sustained bandwidth and better latency handling, providing significant performance advantages for enterprise applications.

PC5-44800 Bandwidth and Data Throughput

The PC5-44800 rating indicates a maximum theoretical bandwidth of 44.8GB/s per module. In multi-channel memory configurations, aggregate bandwidth can reach levels sufficient for high-performance computing, AI workloads, in-memory databases, and real-time analytics. Consistent bandwidth ensures that processors receive data quickly and efficiently, reducing bottlenecks and maintaining low latency, which is critical in enterprise server environments. Modules in this category are designed to sustain performance even under continuous, high-utilization conditions.

ECC Technology Operations

Error-Correcting Code (ECC) memory is a defining feature of this category, ensuring high data reliability and integrity. The MEM-DR512PC-ER56 supports single-bit error correction and multi-bit error detection, which prevents data corruption, system crashes, and silent data errors. ECC memory is crucial for applications that demand continuous uptime and accurate computation, such as financial systems, healthcare records, scientific simulations, cloud services, and enterprise virtualization. By automatically correcting memory errors in real-time, ECC reduces the risk of downtime and improves system stability.

Registered DIMM Signal Integrity and Reliability

Registered DIMMs like the MEM-DR512PC-ER56 provide superior signal integrity by buffering the connection between the memory controller and DRAM chips. This reduces the electrical load on the controller and stabilizes data transmission, enabling reliable operation even in multi-socket, high-density server environments. Maintaining signal integrity is crucial in enterprise deployments with multiple processors and extensive memory channels, as it prevents errors, timing issues, and system instability. Modules in this category are validated for reliable operation across high-capacity configurations, ensuring consistent memory performance under heavy and sustained workloads.

Enterprise Server Platforms

This category is fully compatible with enterprise-grade server motherboards that support DDR5 RDIMM memory. The 288-pin form factor ensures seamless integration into Supermicro and other compatible server platforms. Firmware and BIOS-level support for high-capacity RDIMM modules ensures that the memory is correctly recognized and configured at boot, minimizing configuration errors and simplifying deployment. Compatibility extends to multi-channel and multi-socket server configurations, allowing administrators to optimize memory distribution and performance. Enterprise servers equipped with the MEM-DR512PC-ER56 can scale efficiently, supporting virtualization, high-performance databases, cloud-native applications, AI workloads, and HPC environments.

Hypervisor-Optimized Workloads

High-capacity DDR5 RDIMM memory is essential for virtualization. The Supermicro MEM-DR512PC-ER56 provides the capacity and bandwidth needed to allocate memory efficiently across multiple virtual machines. Dual subchannel architecture ensures consistent memory access, even during peak workloads, improving performance and isolation for each virtual instance. Dense virtual machine configurations are enabled by this memory category, allowing organizations to maximize server utilization without sacrificing stability or performance. Enterprises can deploy private clouds, hybrid clouds, or virtualized environments while maintaining low latency and high reliability.

Containerized Applications and Cloud-Native Deployments

Modern cloud-native and containerized applications require fast, reliable, and scalable memory solutions. DDR5 RDIMM modules in this category support dynamic memory allocation for containerized workloads, enabling efficient scaling of resources as demand fluctuates. The Supermicro MEM-DR512PC-ER56 allows multiple containers to run concurrently on the same host without performance degradation, supporting microservices and orchestrated cloud environments effectively. High-speed, high-capacity memory ensures rapid data access, improving container performance and response times.

High-Performance Computing and AI Workloads

High-performance computing (HPC) and artificial intelligence workloads are heavily memory-bound, requiring modules that deliver high bandwidth, low latency, and consistent reliability. The Supermicro MEM-DR512PC-ER56 supports multi-terabyte memory configurations across multi-socket servers, enabling efficient execution of AI model training, inference, scientific simulations, financial modeling, and analytics tasks. ECC and registered memory features ensure uninterrupted operation and accurate results in compute-intensive environments. HPC clusters, AI research labs, and large-scale data analytics platforms benefit from the performance and reliability of this category, making it an essential component for modern enterprise IT infrastructure.

Enterprise Deployment and Scalability Management

Enterprise memory must provide long-term scalability and support for evolving workloads. The MEM-DR512PC-ER56 enables incremental expansion and multi-generational compatibility, ensuring enterprises can maintain mission-critical applications over extended deployment lifecycles. High-capacity 128GB modules allow organizations to scale memory as workloads grow, reducing hardware replacement costs and optimizing total cost of ownership.

Quality Assurance and Validation

Modules in this category undergo rigorous quality assurance and validation to ensure compatibility, stability, and reliability in enterprise server environments. The MEM-DR512PC-ER56 is tested for multi-channel and multi-socket configurations, high-density installations, and long-term continuous operation. This testing ensures that enterprise systems perform consistently under demanding workloads, minimizing risks associated with high-capacity memory deployment.

Enterprise Readiness

Enterprise readiness includes long-term support, vendor reliability, and infrastructure alignment. DDR5 RDIMM modules in this category are designed to support mission-critical environments, providing predictable performance, long-term availability, and scalability. The MEM-DR512PC-ER56 allows enterprises to maintain critical workloads, scale memory efficiently, and meet modern data center and HPC demands.