MEM-DR516MB-ER48 Supermicro 16GB DDR5-4800MHz Ecc Registered 1rx8 Cl40 SDRAM 288-Pin 1.1v Dimm Memory

Highlights of Supermicro MEM-DR516MB-ER48 16GB DDR5 Ram

The Supermicro MEM-DR516MB-ER48 is an enterprise-class DDR5 memory module designed to deliver high bandwidth, enhanced reliability, and efficient power usage for modern server infrastructures. It is ideal for data centers, cloud servers, and mission-critical enterprise systems.

General Information

• Manufacturer: Supermicro
• Part Number: MEM-DR516MB-ER48
• Product Category: Memory Module
• Memory Interface: DDR5 PC5-38400 ECC

Technical Specifications

• Total Memory Size: 16GB
• Module Configuration: 1 x 16GB
• Rank Type: 1Rx8
• Operating Speed: 4800MHz
• Memory Standard: DDR5-4800 / PC5-38400
• CAS Latency: CL40
• Error Checking: ECC Enabled
• Memory Type: Registered DIMM (RDIMM)
• Low Voltage Operation: 1.1V
• Optimized for 24/7 Enterprise Workloads
• Form Factor: 288-Pin DIMM
• Designed for Server and Data Center Use

Compatibility

Supported Server Platforms

• Supermicro DDR5-based server motherboards
• Enterprise and data center servers with DDR5 RDIMM support
• Rackmount and tower servers requiring ECC Registered memory

Processor Compatibility

This DDR5 RDIMM module is compatible with server CPUs that support DDR5 ECC Registered memory technology.

• Intel Xeon Scalable processors (DDR5 supported generations)
• AMD EPYC 9004 Series (Genoa & Genoa-X)

Memory Slot Requirements

• 288-Pin DDR5 DIMM slots
• Supports RDIMM (Registered DIMM) only
• Not compatible with desktop or non-ECC systems

Overview of Supermicro MEM-DR516MB-ER48 DDR5 PC5-38400

The Supermicro MEM-DR516MB-ER48 16GB DDR5 4800MHz ECC Registered DIMM belongs to the advanced enterprise server memory category designed specifically to support modern data center, cloud, and mission-critical computing environments. This category encompasses high-reliability memory solutions engineered to meet the stringent demands of continuous operation, large-scale virtualization, and high-throughput data processing. Server memory in this class is built with a focus on stability, compatibility, and predictable performance rather than short-term peak speeds associated with consumer-grade memory.

DDR5 Server Memory as a Generational Advancement

DDR5 server memory represents a significant generational leap over DDR4, introducing structural, electrical, and architectural improvements that directly impact enterprise workloads. The Supermicro MEM-DR516MB-ER48 operates at 4800MHz, aligning with standard DDR5 server baselines that prioritize stability and compatibility across a wide range of platforms. This frequency provides higher bandwidth per DIMM, enabling faster data movement between CPUs and memory.

PC5-38400 Bandwidth Classification in Practical Deployment

The PC5-38400 designation reflects the theoretical peak bandwidth of the module, which is a critical metric in enterprise memory planning. Higher bandwidth enables servers to handle data-intensive applications more efficiently, particularly in environments where memory access speed can become a limiting factor. Applications such as virtualization hosts, database servers, and analytics platforms rely heavily on sustained memory throughput.

Latency Characteristics and CL40 Timing Stability

Latency remains a key consideration in server memory, as predictable access times are essential for maintaining consistent application performance. The CL40 latency of the MEM-DR516MB-ER48 reflects a carefully engineered balance between speed and reliability. While DDR5 operates at higher frequencies, its latency values are optimized to ensure stable operation under sustained enterprise workloads. This timing configuration supports deterministic behavior, which is crucial for transactional systems and latency-sensitive applications. By maintaining consistent response times, this memory category helps reduce performance jitter and enhances overall system reliability.

ECC Registered DIMM Architecture and Reliability Foundations

ECC Registered DIMMs form a specialized subcategory of server memory designed to maximize reliability and scalability. The Supermicro MEM-DR516MB-ER48 integrates both Error-Correcting Code functionality and registered buffering, which together provide a robust foundation for enterprise computing. ECC continuously monitors memory operations, detecting and correcting single-bit errors before they propagate into system-level issues. In large-scale deployments, even rare memory errors can accumulate over time and lead to data corruption or system crashes. ECC mitigates this risk by ensuring data integrity at the hardware level. This makes ECC Registered memory indispensable for applications where accuracy, uptime, and consistency are critical.

Registered Buffering for Signal Integrity

The registered design introduces a buffer between the memory controller and the DRAM chips. This buffer reduces electrical load on the controller, allowing servers to support more DIMMs per channel and higher overall memory capacities. Signal integrity is preserved even in complex multi-socket server configurations, where long trace lengths and multiple modules could otherwise degrade performance. For enterprise servers designed to scale memory capacity over time, registered DIMMs provide the stability required for incremental upgrades. The MEM-DR516MB-ER48 fits seamlessly into such architectures, enabling organizations to expand memory without compromising system reliability.

1Rx8 Memory Organization and Enterprise

The 1Rx8 configuration of this module denotes a single rank composed of x8 DRAM chips. This organization is widely adopted in server environments due to its compatibility with a broad range of memory controllers and its favorable performance characteristics. Single-rank memory can offer lower access latency and improved efficiency in certain configurations, particularly when channels are fully populated. This configuration also simplifies platform compatibility, reducing the likelihood of configuration limitations or reduced speeds due to rank-related constraints. For system integrators and IT administrators, this consistency is essential for streamlined deployment across diverse server fleets.

ECC Impact on Mission-Critical Workloads

Mission-critical workloads such as financial transaction processing, healthcare systems, and telecommunications infrastructure rely on absolute data accuracy. ECC memory plays a crucial role in maintaining this accuracy by correcting transient errors that could otherwise compromise system integrity. The MEM-DR516MB-ER48 ensures that such corrections occur transparently, without affecting application performance. This level of reliability supports continuous operation and reduces the risk of unplanned downtime, reinforcing the value of ECC Registered memory within enterprise environments.

On-DIMM Architecture

DDR5 introduces on-DIMM power management, relocating voltage regulation from the motherboard to the memory module itself. This architectural change allows more precise control over power delivery, improving efficiency and reducing electrical noise. The MEM-DR516MB-ER48 benefits from this design by maintaining stable voltage levels under varying load conditions. For enterprise servers operating continuously, stable power delivery is critical to preventing transient errors and ensuring consistent performance. On-DIMM power management also simplifies motherboard design, contributing to overall system reliability.

Thermal Stability in Continuous Operation

Server memory modules are expected to operate under constant load, often in environments with limited airflow. The MEM-DR516MB-ER48 is engineered with high-quality PCB materials and carefully selected DRAM components to ensure effective heat dissipation. This design supports stable operation even during sustained high-utilization scenarios. Thermal stability reduces the risk of performance throttling and component degradation, helping enterprises maintain consistent service levels and minimize maintenance requirements.

Data Center Economics

In data center operations, energy efficiency directly influences operational costs. By reducing power consumption and cooling requirements, DDR5 memory modules like the MEM-DR516MB-ER48 contribute to lower total cost of ownership. Over the lifespan of a server, these savings can be substantial, particularly when multiplied across hundreds or thousands of systems. This efficiency makes the module an economically sound choice for organizations seeking to balance performance demands with sustainability goals.

Standards Compliance, Form Factor, and Platform Integration

Standards compliance is essential for ensuring interoperability and long-term viability in enterprise IT environments. The Supermicro MEM-DR516MB-ER48 adheres to JEDEC specifications, guaranteeing standardized timing, voltage, and signaling characteristics. This compliance ensures predictable behavior across compatible server platforms and simplifies integration into existing infrastructures. The 288-pin DIMM form factor is the established standard for DDR5 server memory, providing physical compatibility with supported server motherboards. This standardized design allows for straightforward installation, replacement, and future upgrades.

Supermicro Platform Validation

As a Supermicro-branded memory module, the MEM-DR516MB-ER48 undergoes rigorous validation on Supermicro server platforms. This validation process includes extensive testing under real-world workload conditions, ensuring compatibility and stability. Platform-level optimization allows the memory to operate at intended specifications without extensive manual tuning. When deployed within Supermicro systems, this memory module benefits from BIOS and firmware support designed to maximize DDR5 performance and reliability. This tight integration reduces deployment risks and accelerates implementation timelines.

Modern Server Processors

Modern server CPUs are designed to leverage DDR5’s increased bandwidth and efficiency. The MEM-DR516MB-ER48 aligns with these processor architectures, enabling high core-count CPUs to maintain efficient memory access across multiple threads. This compatibility ensures that memory does not become a bottleneck as processor capabilities continue to expand. From single-socket servers to complex multi-socket systems, this module supports a wide range of configurations, offering flexibility for diverse enterprise use cases.

Deployment Consistency Across Mixed Environments

Enterprises often operate mixed environments with servers of varying generations and configurations. The standardized design of the MEM-DR516MB-ER48 simplifies deployment across such environments, reducing complexity in inventory management and maintenance planning. This consistency allows IT teams to focus on strategic initiatives rather than compatibility troubleshooting.

Enterprise Workload Alignment and Application Scenarios

The Supermicro MEM-DR516MB-ER48 is optimized to support a broad spectrum of enterprise workloads. Virtualization platforms benefit from its reliable performance and ECC protection, enabling higher virtual machine density and stable operation. Increased bandwidth and efficient memory access reduce contention among virtualized workloads. Database servers rely heavily on memory for caching and transaction processing. This module supports these demands by providing fast, stable memory access while maintaining data integrity. Both relational and non-relational database systems can leverage its capabilities to improve query performance and throughput.

Analytics High-Throughput Computing

Analytics and artificial intelligence workloads often involve processing large datasets in memory. The high bandwidth and efficient DDR5 architecture of the MEM-DR516MB-ER48 enable faster data access, reducing processing times and improving overall system throughput. This is particularly beneficial for in-memory analytics and real-time data processing. In AI and machine learning environments, memory performance can significantly influence training and inference speeds. Reliable, high-speed memory access supports these advanced workloads in enterprise server environments.

High-Availability and Fault-Tolerant Systems

High-availability systems require components that can operate reliably under continuous load. The ECC Registered design of this memory module minimizes the risk of memory-related failures, supporting the stringent uptime requirements of mission-critical applications. In clustered environments, consistent memory performance across nodes ensures predictable behavior during failover events, enhancing overall system resilience.

Scalable Infrastructure Growth and Future Demands

As enterprise workloads evolve, memory requirements continue to increase. The MEM-DR516MB-ER48 supports scalable memory configurations, allowing organizations to expand capacity incrementally. Its compatibility with modern DDR5 platforms ensures relevance as infrastructure evolves. This scalability protects investment value and supports long-term infrastructure growth strategies.

Quality Assurance Stability and Strategic Value

Supermicro emphasizes quality assurance throughout the manufacturing and validation process. Each MEM-DR516MB-ER48 module is tested to ensure consistent performance and compatibility. This rigorous approach reduces deployment risks and enhances confidence in long-term operation. High-quality DRAM components and precise manufacturing processes contribute to the module’s durability, making it suitable for continuous enterprise use.

Enterprise Planning

Enterprise memory solutions are expected to remain available and supported throughout the lifecycle of server platforms. The standardized design of the MEM-DR516MB-ER48 supports long-term availability and simplifies maintenance planning. This lifecycle stability is essential for organizations managing large-scale deployments with extended refresh cycles.

Return on Investment

While DDR5 memory represents a higher initial investment, its performance and efficiency benefits can deliver significant long-term value. Reduced power consumption, improved reliability, and enhanced performance contribute to a lower total cost of ownership. The MEM-DR516MB-ER48 offers a balanced investment profile, delivering enterprise-grade capabilities without unnecessary complexity.

Role in Future-Ready Server Architectures

As enterprise software continues to demand more from hardware, memory performance and reliability remain critical. The Supermicro MEM-DR516MB-ER48 plays a strategic role in future-ready server architectures by combining DDR5 performance, ECC protection, and registered stability. This combination ensures that enterprise servers can meet both current and emerging workload demands with confidence.