809208-B21 HPE 128GB DDR4 2400MHZ Ecc Registered 288-Pin Ram

HPE 809208-B21 128GB PC4-19200 DDR4 ECC 288-Pin Memory

Premium Performance for Demanding Server Environments

The HPE 809208-B21 represents the pinnacle of server memory technology, engineered specifically for enterprise-level computing environments where reliability, performance, and data integrity are non-negotiable. This 128GB DDR4 module operates at 2400MHz with PC4-19200 specifications, delivering exceptional bandwidth for memory-intensive applications while maintaining the robust error correction and stability that HPE servers are renowned for.

Memory Architecture Details

Built with advanced DDR4 architecture, this module features a 288-pin design optimized for server motherboards. The 128GB capacity per module makes it ideal for virtualization, database management, and high-performance computing applications where large memory pools are essential for optimal system performance.

Speed and Bandwidth Capabilities

Operating at 2400MHz with a PC4-19200 rating, this memory module delivers a theoretical bandwidth of 19.2 GB/s per module. This high-speed performance ensures that data-intensive applications can access information rapidly, reducing processing bottlenecks and improving overall system responsiveness.

DDR4 Technology Advancements

DDR4 memory represents a significant evolution from previous DDR3 technology, offering improved performance characteristics including higher module density, lower power consumption, and enhanced reliability features. The HPE 809208-B21 leverages these advancements to provide enterprise-grade memory solutions.

Operating at just 1.2 volts, DDR4 memory consumes approximately 20% less power than DDR3 modules while delivering superior performance. This reduced power requirement translates to lower operating costs and reduced heat generation within server enclosures, contributing to overall system stability and longevity.

The implementation of bank groups in DDR4 architecture allows for more efficient memory access patterns, enabling the HPE 809208-B21 to process multiple memory operations simultaneously. This parallel processing capability significantly improves overall memory efficiency and system performance.

Error Correcting Code (ECC) Functionality

ECC technology represents a critical feature for enterprise environments where data integrity is paramount. The HPE 809208-B21 incorporates advanced ECC capabilities that can detect and correct single-bit memory errors automatically, while also detecting multi-bit errors. This proactive error management prevents data corruption and system crashes, ensuring continuous operation and data reliability.

Registered DIMM Architecture

As a Registered DIMM (RDIMM), this memory module includes a register between the memory controller and DRAM modules. This register buffers address and command signals, reducing the electrical load on the memory controller and enabling support for higher memory capacities per channel. The registered design allows for more stable operation with multiple modules installed and supports larger overall memory configurations.

Compatibility and System Integration

Supported HPE Server Platforms

The HPE 809208-B21 is engineered specifically for compatibility with HPE ProLiant Gen9 and Gen10 servers, as well as compatible HPE workload-optimized systems. This ensures seamless integration and optimal performance when used within the HPE server ecosystem.

ProLiant DL Series Compatibility

This memory module is fully compatible with HPE ProLiant DL series rack servers, including the DL380, DL360, and DL580 models. These servers benefit from the high-density memory configuration enabled by the 128GB capacity, supporting memory-intensive enterprise applications.

ProLiant ML Series Support

HPE ProLiant ML series tower servers, such as the ML350 and ML110, also support the 809208-B21 module, providing flexible deployment options for organizations requiring robust computing power in tower form factors.

Memory Configuration

Population Rules and Best Practices

When configuring servers with HPE 809208-B21 modules, specific population rules must be followed to ensure optimal performance. These include installing modules in matched pairs or sets according to the server's memory architecture, and populating memory channels symmetrically to maximize memory bandwidth.

Mixed Configuration Considerations

While the HPE 809208-B21 can be mixed with other compatible HPE memory modules, it's recommended to use identical modules within each memory channel to ensure consistent performance. Mixed configurations may operate at the speed of the slowest module, so careful planning is essential for optimal system performance.

Performance Characteristics and Benchmarks

Real-World Application Performance

In enterprise environments, the HPE 809208-B21 demonstrates significant performance improvements across various workload types. Database applications show reduced query times, virtualization platforms support higher VM densities, and scientific computing applications benefit from the large memory capacity and high bandwidth.

When used in virtualized environments, servers equipped with HPE 809208-B21 modules can support higher virtual machine densities with improved performance stability. The large 128GB module size reduces the number of modules required to achieve substantial memory configurations, simplifying system architecture while maintaining performance.

Database servers utilizing this memory module experience reduced disk I/O through more efficient caching of frequently accessed data in memory. The ECC protection ensures data integrity for critical database operations, while the high bandwidth supports concurrent user access and complex query processing.

Reliability and Durability Features

The HPE 809208-B21 incorporates advanced thermal sensors and heat spreader technology to maintain optimal operating temperatures. This thermal management ensures consistent performance under heavy loads and contributes to the module's long-term reliability in 24/7 operational environments.

Manufacturing Quality and Testing

Each HPE 809208-B21 module undergoes rigorous testing and validation processes to ensure compatibility and reliability. HPE's comprehensive testing includes temperature cycling, signal integrity verification, and compatibility testing across supported server platforms, guaranteeing enterprise-grade quality.

Enterprise Use Cases and Applications

Data Center Deployment Scenarios

The HPE 809208-B21 is ideally suited for modern data center environments where high-density memory configurations are essential for supporting cloud infrastructure, big data analytics, and enterprise resource planning systems.

Cloud Infrastructure Support

In cloud computing environments, this memory module enables service providers to maximize server utilization through higher virtual machine densities while maintaining performance isolation between customer instances. The reliability features ensure consistent service delivery and minimize downtime.

Big Data and Analytics Applications

For big data processing and analytics workloads, the large 128GB capacity allows for in-memory processing of substantial datasets, significantly reducing processing times compared to disk-based operations. The high bandwidth supports parallel processing frameworks and real-time analytics applications.

High-Performance Computing (HPC)

In HPC environments, the HPE 809208-B21 provides the memory capacity and bandwidth required for complex scientific simulations, engineering analysis, and research applications. The ECC protection is particularly valuable for ensuring the accuracy of computational results.

Mission-Critical Business Applications

For enterprise resource planning, customer relationship management, and other mission-critical business applications, this memory module delivers the reliability and performance necessary to support continuous business operations and maintain service level agreements.

Electrical Characteristics

The HPE 809208-B21 operates at 1.2V with a 2400MT/s data rate. The module features on-die termination and data bus inversion capabilities that improve signal integrity and reduce power consumption during operation.

With industry-standard timing parameters optimized for server workloads, this memory module balances latency and bandwidth to deliver optimal performance across a wide range of enterprise applications. The specific timing parameters are engineered for reliability in continuous operation environments.

Physical Dimensions and Construction

Module Form Factor

The HPE 809208-B21 utilizes the standard 288-pin DIMM form factor with a height of 1.23 inches (31.25mm). The module features a robust PCB construction with multiple layers for signal integrity and includes a heat spreader for efficient thermal management.

Component Quality and Materials

Constructed using high-quality components and materials, this memory module is designed for long-term reliability in data center environments. The use of premium DRAM chips and rigorous manufacturing standards ensures consistent performance throughout the product lifecycle.

Quality Management Systems

Manufactured under HPE's comprehensive quality management systems, this memory module adheres to strict quality control processes throughout design, manufacturing, and testing phases to ensure consistent product quality and reliability.

Comparison with Alternative Memory Technologies

DDR4 vs. DDR3 Performance Advantages

Compared to previous-generation DDR3 memory, the HPE 809208-B21 offers significant advantages in bandwidth, power efficiency, and maximum capacity per module. These improvements translate to better performance per watt and reduced total cost of ownership for enterprise server deployments.

DDR4 vs. DDR5 Considerations

While DDR5 represents the next generation of memory technology, DDR4 remains highly relevant for many enterprise applications due to its maturity, proven reliability, and cost-effectiveness. The HPE 809208-B21 provides an optimal balance of performance and value for organizations not yet ready to transition to DDR5 platforms.

Competitive Landscape Analysis

HPE Differentiators in Server Memory

HPE server memory modules, including the 809208-B21, offer distinct advantages over generic alternatives through extensive compatibility testing, firmware optimization, and comprehensive support services. These value-added features ensure optimal performance and reliability in HPE server environments.