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-performance 128GB DDR5 RDIMM memory module designed for enterprise servers and high-demand data center environments. With an ultra-fast 5600MT/s speed (PC5-44800), this module delivers exceptional reliability, stability, and efficiency for critical workloads such as virtualization, cloud computing, and large-scale database management.

General Information

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

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
• Signal Type: Registered (RDIMM)
• Error Protection: ECC Enabled
• Rank Features: 2Rx4

Physical Specifications

• 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

Highlights of Supermicro MEM-DR512PC-ER56 DDR5 PC5 44800 

The Supermicro MEM-DR512PC-ER56 128GB DDR5 PC5-44800 5600MT/s 2S2Rx4 288-Pin RDIMM SDRAM ECC Memory Module represents a high-performance memory category designed for enterprise servers, data centers, and mission-critical workloads. This category of DDR5 RDIMM memory modules is specifically engineered to provide maximum capacity, ultra-fast data transfer, and unparalleled reliability for modern server architectures. With advancements in DDR5 technology, this memory category delivers higher bandwidth, improved signal integrity, and advanced error correction, ensuring stability for virtualization, cloud computing, high-frequency trading, scientific computing, artificial intelligence, and real-time analytics.

High-Density 128GB RDIMM Architecture

The 128GB RDIMM configuration in this category is essential for building servers with substantial memory capacity. High-density memory modules enable large-scale deployments without requiring extensive use of DIMM slots, which helps maintain proper airflow, reduce thermal buildup, and improve overall server efficiency. The Supermicro MEM-DR512PC-ER56 128GB RDIMM allows enterprises to meet high-performance requirements for data-intensive applications while providing sufficient headroom for future scalability. RDIMM architecture, which stands for Registered DIMM, includes a register between the memory controller and DRAM chips.

2S2Rx4 Memory Rank Configuration

The 2S2Rx4 design signifies a dual-sided, dual-rank configuration with x4 DRAM organization. Each module contains two ranks per side, which enables rank interleaving, a method that allows the memory controller to access multiple ranks simultaneously. This technique improves effective memory bandwidth and reduces latency, delivering higher performance for enterprise workloads. The x4 DRAM configuration enhances ECC functionality, ensuring accurate error detection and correction, which is critical for maintaining data integrity in high-availability systems.

DDR5 5600MT/s Frequency and Performance

Operating at 5600MT/s (MegaTransfers per second), this memory module delivers high-speed data transfer while maintaining low latency. DDR5’s dual-channel subchannel architecture enhances parallel data access, effectively splitting each DIMM into two independent channels for improved performance. The Supermicro MEM-DR512PC-ER56 leverages this design to maximize data throughput, enabling servers to handle high-demand workloads efficiently. The 5600MT/s transfer rate provides a significant performance boost over previous DDR4 modules, allowing enterprise servers to keep up with modern multi-core, high-thread-count processors.

PC5-44800 Bandwidth and Data Throughput

The PC5-44800 specification represents a theoretical maximum bandwidth of 44.8GB/s per module, offering ample data throughput for demanding enterprise workloads. In dual- or multi-channel configurations, the aggregate bandwidth significantly increases, supporting applications that require large amounts of data to be processed simultaneously. The Supermicro MEM-DR512PC-ER56 ensures consistent, high-speed data delivery to CPUs, which is critical for virtualization, in-memory databases, high-performance computing, real-time analytics, and AI training workloads. Maintaining consistent bandwidth under continuous, high-utilization scenarios is crucial for enterprise environments.

ECC Technology for Data Reliability

Error-Correcting Code (ECC) memory is a key feature of this category, ensuring high reliability and data integrity in enterprise environments. The Supermicro MEM-DR512PC-ER56 incorporates ECC functionality to detect and correct single-bit memory errors and flag multi-bit errors, preventing data corruption and system crashes. ECC memory is essential for servers running mission-critical applications such as financial systems, healthcare databases, scientific computations, cloud platforms, and virtualization infrastructures. By providing automatic error detection and correction, ECC memory enhances system uptime, reduces the risk of data loss, and ensures consistent performance under heavy workloads.

Registered DIMM Signal Integrity

Registered DIMMs, like the Supermicro MEM-DR512PC-ER56, provide superior signal integrity by introducing a register between the memory controller and the DRAM chips. This buffer reduces the electrical load, stabilizes data signals, and ensures reliable operation in multi-channel, multi-socket server environments. High-density RDIMM modules rely on registered buffering to maintain timing accuracy and prevent memory errors, making them suitable for enterprise deployments requiring large memory configurations. Signal integrity is particularly important in servers with multiple processors and extensive memory channels.

Enterprise Server Platforms

This category is compatible with modern enterprise server motherboards that support DDR5 RDIMM memory. The 288-pin form factor ensures proper installation and reliable operation in a wide range of Supermicro and other enterprise-grade servers. Firmware and BIOS-level optimizations allow high-capacity memory modules to be correctly recognized and configured at boot, minimizing installation errors and ensuring stable performance across all workloads. Compatibility with multi-channel and multi-socket configurations allows system administrators to optimize memory allocation and distribution, delivering balanced performance across the entire server.

Containerized Workloads and Cloud-Native Applications

Containerized environments and cloud-native applications demand fast, efficient memory allocation. DDR5-5600MT/s RDIMM modules provide ample bandwidth and capacity for dense container deployments. The Supermicro MEM-DR512PC-ER56 allows administrators to deploy multiple containers per server host while maintaining consistent performance, which is critical for microservices-based architectures and orchestrated cloud environments. By providing large memory pools and high-speed data access, this category supports scalable, high-performance cloud applications and improves container orchestration efficiency, enabling businesses to maintain responsive and reliable infrastructure.

High-Performance Computing Applications

High-performance computing (HPC) and AI workloads are highly memory-intensive, requiring modules that provide consistent bandwidth and low latency. The Supermicro MEM-DR512PC-ER56 offers the performance characteristics necessary for scientific simulations, modeling, AI training, and inference workloads. ECC protection and registered buffering ensure accuracy, reliability, and uninterrupted operation in compute-intensive environments. With support for multi-terabyte memory configurations in multi-socket servers, this category ensures that HPC clusters, AI research systems, and data analytics platforms can perform complex computations efficiently.

Enterprise Deployment, Scalability Management

Enterprise memory must support long-term deployment while providing scalability for evolving workloads. The Supermicro MEM-DR512PC-ER56 enables incremental memory expansion and multi-generational server compatibility, ensuring that IT infrastructure remains flexible and future-proof. High-capacity 128GB modules allow organizations to scale memory density as demands increase, reducing the need for frequent hardware replacements and optimizing total cost of ownership. Incremental scaling is particularly valuable for enterprises running mission-critical workloads that require continuous operation. By deploying this category of DDR5 RDIMM memory, organizations can expand memory resources without disrupting system stability or service availability.

Quality Assurance and Validation Standards

Modules in this category undergo rigorous quality assurance and validation processes to ensure compatibility, stability, and reliability in enterprise server environments. The Supermicro MEM-DR512PC-ER56 is tested extensively for multi-channel, multi-socket configurations, and high-density deployments, ensuring consistent performance under heavy workloads. Quality assurance includes electrical validation, timing analysis, thermal testing, and long-term reliability assessments.

Enterprise Readiness

Enterprise readiness involves not only technical performance but also long-term availability, vendor support, and infrastructure alignment. DDR5 RDIMM memory modules in this category are designed for long-term deployment, providing reliable, predictable performance and compatibility with evolving server architectures. The Supermicro MEM-DR512PC-ER56 ensures that enterprises can maintain mission-critical workloads, scale memory efficiently, and meet the demands of modern data center and HPC infrastructures.