MEM-DR564MC-ER48 Supermicro DDR5 4800MHz 64GB Pc5-38400 Dual Rank Ecc Registered 1.1v Cl40 DDR5 SDRAM 288-Pin Rdimm Memory Module for Server

Memory Overview

The MEM-DR564MC-ER48 Supermicro DDR5 4800MHz 64GB RDIMM memory module belongs to a specialized category of enterprise-grade server memory engineered for modern data centers, cloud infrastructures, virtualization hosts, and mission-critical computing environments. This category focuses on high-capacity, high-reliability DDR5 registered DIMMs (RDIMMs) that support error correction, advanced signaling integrity, and sustained performance under heavy workloads. Designed for compatibility with next-generation server processors and motherboards, DDR5 RDIMM memory represents a significant advancement over previous DDR4-based memory technologies.

Main Information

• Brand: Supermicro
• Part Number: MEM-DR564MC-ER48
• Memory Module Name: 64GB DDR5 SDRAM

Memory Specifications

• Total Capacity: 64GB
• Type: DDR5 SDRAM
• Number of Modules: 1 x 64GB
• Bus Speed: 4800 MT/s / PC5-38400
• Error Checking: ECC (Error-Correcting Code)
• Signal Processing: Registered
• Rank: 2Rx4
• CAS Latency: CL40

Memory for Server Platforms

DDR5 server memory modules in this category are purpose-built to deliver increased bandwidth, improved power efficiency, and enhanced data integrity. With a rated speed of 4800MHz and a PC5-38400 data rate, these modules are optimized for workloads that demand consistent throughput, such as database processing, virtualization clusters, high-performance computing (HPC), artificial intelligence (AI) inference, and enterprise storage systems. The 64GB capacity per module allows system architects to scale memory density efficiently without sacrificing stability or performance.

DDR5 Technology Advancements in Server Memory

DDR5 SDRAM introduces fundamental architectural improvements that directly benefit server environments. Compared to DDR4, DDR5 increases memory bandwidth while lowering operating voltage, resulting in higher performance per watt. This category of DDR5 RDIMM modules operates at 1.1 volts, enabling data centers to reduce overall power consumption and thermal output while maintaining or exceeding previous performance benchmarks.

One of the defining enhancements of DDR5 technology is the dual independent 32-bit sub-channel architecture. This design allows for greater parallelism in memory access, reducing latency and improving efficiency when handling concurrent memory requests. For server workloads that rely on multi-threaded processing, this architectural change translates into smoother performance scaling and improved responsiveness under load.

DDR5 also supports on-die error correction and improved command efficiency, further strengthening data reliability. While on-die ECC helps manage internal memory cell errors, the registered ECC implementation in this category provides full end-to-end error correction, ensuring data integrity from the processor to the memory module. This dual-layer protection is critical for enterprise systems where data corruption can lead to downtime, financial loss, or compliance risks.

Registered DIMM (RDIMM) Architecture and Its Benefits

The MEM-DR564MC-ER48 falls under the RDIMM category, which is specifically designed for server and workstation platforms. Registered DIMMs incorporate a register (or buffer) between the memory controller and the DRAM chips. This register reduces the electrical load on the memory controller, enabling support for higher memory capacities and more populated DIMM configurations.

In large-scale server deployments, RDIMM memory modules are essential for maintaining signal integrity and system stability. By buffering control signals, RDIMMs allow servers to operate reliably even when multiple memory modules are installed across several channels. This category is therefore ideal for dual-socket and multi-socket server architectures that require large memory footprints.

The dual-rank configuration of this 64GB DDR5 RDIMM further enhances performance by allowing the memory controller to interleave access between ranks. This rank interleaving improves effective throughput and helps reduce idle cycles, making better use of available memory bandwidth during intensive workloads.

ECC Registered Memory for Data Integrity

Error Correcting Code (ECC) memory is a defining feature of this category. ECC functionality enables the detection and correction of single-bit memory errors and the detection of multi-bit errors. In server environments where uptime and accuracy are paramount, ECC memory is not optional; it is a foundational requirement.

This DDR5 ECC RDIMM category supports advanced error management capabilities that protect critical applications such as financial transaction processing, healthcare systems, scientific simulations, and enterprise databases. By automatically correcting memory errors before they affect system operations, ECC memory reduces the risk of crashes, corrupted data, and unpredictable behavior.

When combined with registered buffering, ECC memory modules provide a robust and stable platform for long-running workloads. Systems equipped with this category of memory are capable of operating continuously for extended periods, which is essential for cloud service providers and enterprise IT environments.

Performance Characteristics and Specifications

With a frequency of 4800MHz, this DDR5 RDIMM category delivers substantial bandwidth improvements over previous generations. The PC5-38400 specification indicates a theoretical maximum bandwidth of 38.4GB/s per module, enabling faster data transfer between the CPU and memory subsystem. This increased bandwidth directly benefits applications that process large datasets or rely on rapid memory access.

The CAS latency rating of CL40 reflects the timing characteristics optimized for DDR5 operation. While DDR5 memory typically features higher latency values compared to DDR4, the increased clock speeds and architectural enhancements offset latency concerns, resulting in net performance gains for server workloads.

Operating at 1.1 volts, this category of memory contributes to improved energy efficiency across the system. Lower voltage operation reduces power draw and heat generation, enabling higher memory densities without exceeding thermal limits. This efficiency is particularly valuable in high-density server racks and hyperscale data centers.

64GB Capacity for Scalable Server Configurations

The 64GB module capacity places this product firmly within the high-capacity server memory category. High-capacity DIMMs enable system designers to maximize total memory per server while minimizing the number of occupied slots. This approach improves airflow, simplifies upgrades, and allows for future expansion.

In virtualization and containerized environments, large memory capacity per node is essential for running multiple virtual machines or containers simultaneously. This category supports memory-intensive workloads such as in-memory databases, real-time analytics, and large-scale caching systems.

For enterprise applications that require predictable performance under heavy load, having sufficient memory headroom reduces swapping and paging, ensuring consistent response times and improved user experience.

Compatibility with Modern Server Platforms

This category of Supermicro DDR5 RDIMM memory is designed for compatibility with modern server motherboards and processors that support DDR5 technology. It is commonly deployed in systems based on next-generation Intel Xeon and AMD EPYC platforms that feature DDR5 memory controllers.

Server-class memory undergoes rigorous validation to ensure interoperability with supported chipsets and BIOS configurations. This category is tailored to meet manufacturer specifications for signal integrity, timing, and thermal performance, reducing the risk of compatibility issues during deployment.

The 288-pin RDIMM form factor is a standard for DDR5 server memory, ensuring seamless integration into compatible DIMM slots. This standardized design allows IT teams to plan upgrades and replacements with confidence.

Supermicro Server Ecosystems

Supermicro memory modules are engineered and validated within Supermicro server ecosystems, ensuring optimal performance and reliability when paired with Supermicro motherboards and chassis. This category benefits from firmware-level optimizations and extensive qualification testing.

Using memory modules from the same vendor as the server platform simplifies support and maintenance. In enterprise environments, standardized components reduce troubleshooting complexity and streamline lifecycle management.

Use Cases Across Enterprise and Data Center Environments

This DDR5 RDIMM memory category is suitable for a wide range of enterprise and data center use cases. Virtualization hosts rely on high-capacity, high-bandwidth memory to allocate resources efficiently across multiple virtual machines. Database servers benefit from faster query execution and improved transaction processing.

High-performance computing clusters use DDR5 memory to accelerate simulations, modeling, and scientific research workloads. AI and machine learning platforms leverage increased memory bandwidth to feed data-hungry processors and accelerators.

Storage servers and software-defined storage solutions also benefit from this category, as memory plays a critical role in caching, deduplication, and metadata management. Faster memory access improves overall storage system responsiveness.

Reliability for Mission-Critical Operations

Mission-critical systems demand components that deliver consistent reliability under continuous operation. This category of ECC registered DDR5 memory is designed to meet stringent uptime requirements, making it suitable for telecommunications, government, and enterprise infrastructure.

Thermal stability, error correction, and validated compatibility contribute to long-term system reliability. These characteristics help organizations maintain service-level agreements and reduce the total cost of ownership by minimizing downtime and maintenance interventions.

Thermal Design and Power Efficiency

DDR5 RDIMM modules in this category are designed with thermal efficiency in mind. Improved power management features within DDR5 help regulate voltage and reduce power spikes during operation. This results in more predictable thermal behavior, even under sustained workloads.

Efficient thermal performance allows servers to operate at higher densities without compromising stability. In data centers where space and cooling resources are limited, this category supports optimized rack configurations and improved energy utilization.

By reducing heat output, DDR5 memory also contributes to the longevity of surrounding components, including processors and voltage regulators.

Scalability and Future-Proofing IT Infrastructure

Investing in DDR5 RDIMM memory positions organizations to take advantage of future server platform advancements. As software and operating systems continue to evolve, memory bandwidth and capacity requirements are expected to increase. This category provides a foundation that supports long-term scalability.

The 64GB module capacity enables incremental upgrades, allowing IT teams to expand memory as workloads grow. This flexibility reduces the need for complete system replacements and extends the usable lifespan of server hardware.

By adopting DDR5 technology early, organizations can ensure compatibility with emerging applications and performance demands, maintaining a competitive edge in rapidly evolving markets.

Enterprise Memory Standards and Quality Assurance

This category adheres to strict enterprise memory standards, including JEDEC specifications for DDR5 RDIMM modules. Compliance with these standards ensures consistent performance, interoperability, and reliability across supported platforms.

Supermicro memory modules undergo comprehensive testing, including signal integrity analysis, thermal stress testing, and compatibility validation. This rigorous quality assurance process ensures that each module meets the demands of enterprise deployment.

Organizations that prioritize stability and performance benefit from selecting memory modules that are designed, tested, and supported for server use rather than consumer-grade alternatives.