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

HPE 809208-B21 128GB DDR4 2400MHZ 288-Pin SDRAM

Core Memory Specifications

Capacity and Configuration

The HPE 809208-B21 represents a high-capacity memory solution engineered for enterprise-level servers. This 128GB DDR4 module operates at 2400MHz (PC4-19200) and features ECC Registered technology with a 288-pin design. The substantial capacity makes it ideal for memory-intensive applications where large datasets require rapid processing and temporary storage.

Performance Characteristics

With a data transfer rate of 19200 MB/s, this memory module delivers exceptional bandwidth for demanding server workloads. The 2400MHz speed ensures optimal performance across virtualization environments, database management systems, and high-performance computing applications. The module's timing parameters are specifically tuned for server-grade reliability and consistent performance under continuous operation.

ECC Registered DDR4 Architecture

Error Correcting Code (ECC) Technology

Error Correcting Code represents a critical feature for enterprise environments where data integrity is paramount. The HPE 809208-B21 incorporates advanced ECC technology that detects and corrects single-bit memory errors automatically, while also identifying multi-bit errors. This proactive error management significantly reduces system crashes, data corruption, and unexpected downtime in mission-critical server applications.

Registered DIMM Benefits

As a Registered DIMM (RDIMM), this memory module includes a register between the memory controller and DRAM chips. This architecture reduces electrical load on the memory controller, enabling support for higher memory capacities and improved signal integrity. The registered design allows servers to maintain stability while populating all available memory slots, making it particularly valuable for maximum memory configuration scenarios.

DDR4 Technological Advancements

Enhanced Power Efficiency

The DDR4 architecture in the HPE 809208-B21 operates at a reduced voltage of 1.2V compared to previous generations, resulting in significant power savings—particularly important in large server deployments where energy consumption directly impacts operational costs. The improved power efficiency also contributes to reduced heat generation, enhancing overall system reliability and longevity.

Advanced Signal Integrity

DDR4 technology incorporates improved signaling methods with a pseudo-open drain interface, which enables better data transfer reliability at higher speeds. The 288-pin design includes additional ground and power pins compared to DDR3, supporting the increased data rates while maintaining signal quality essential for error-free operation in enterprise environments.

Compatibility and Integration

Supported HPE Server Platforms

ProLiant DL/ML Series Compatibility

The HPE 809208-B21 is engineered specifically for compatibility with HPE ProLiant Gen9 and Gen10 servers, including the DL380, DL360, DL580, and ML350 models. Each module undergoes rigorous testing and validation within HPE's server ecosystem to ensure seamless integration, optimal performance, and reliable operation within supported configurations.

Apollo and Synergy Systems

This memory module extends compatibility to HPE's Apollo high-performance computing systems and Synergy composable infrastructure platforms. The 128GB capacity makes it particularly suitable for computational-intensive workloads in these environments, including scientific computing, financial modeling, and large-scale virtualization deployments.

Population Rules and Best Practices

Proper configuration is essential for optimal performance. The HPE 809208-B21 should be installed in matching pairs or sets according to the specific server's memory population guidelines. HPE provides detailed configuration tools and documentation to ensure proper installation, including specific slot population sequences that maximize memory bandwidth and system stability.

Mixed Configuration Considerations

While the HPE 809208-B21 can be mixed with other compatible HPE memory modules, systems will operate at the speed of the slowest module. For optimal performance, consistent memory types and capacities across all channels are recommended. HPE's integrated management tools can validate configurations and identify potential compatibility issues before deployment.

Performance and Reliability Features

Enterprise-Grade Reliability

Engineered for 24/7 operation in demanding data center environments, the HPE 809208-B21 maintains stable performance across extended temperature ranges. The modules undergo rigorous thermal testing to ensure reliable operation in various server cooling configurations and environmental conditions, making them suitable for high-density deployments with challenging thermal profiles.

Advanced Memory Protection

Beyond standard ECC functionality, HPE incorporates additional protection mechanisms including advanced memory mirroring and online spare memory capabilities in supported systems. These features provide enhanced fault tolerance by creating redundant memory channels or designating spare memory regions that automatically replace failing sections without system interruption.

The 128GB capacity of the HPE 809208-B21 makes it exceptionally well-suited for virtualization environments where large memory pools are essential for hosting multiple virtual machines. The high density reduces the number of modules required to achieve substantial memory configurations, simplifying infrastructure while providing the performance needed for memory-intensive virtualized applications.

In-memory database systems and analytics platforms benefit significantly from the high capacity and bandwidth provided by these modules. The ability to keep larger datasets in memory dramatically improves query performance and processing throughput for business intelligence, transactional databases, and real-time analytics workloads.

Memory Module Construction

PCB Design and Component Layout

The HPE 809208-B21 utilizes a sophisticated multi-layer PCB design optimized for signal integrity at high frequencies. Careful attention to trace routing, power delivery, and component placement ensures stable operation at rated speeds while minimizing electromagnetic interference. The 288-pin edge connector features gold plating for reliable connectivity and corrosion resistance.

DRAM Chip Configuration

This 128GB module employs high-density DRAM chips arranged in a dual-rank configuration. The specific chip organization and rank structure are optimized for compatibility with HPE server memory controllers, ensuring proper initialization, training, and operation within the supported systems. The module includes integrated temperature sensors for thermal monitoring and management.

Memory Controller Integration

Command Address Parity

The HPE 809208-B21 supports Command Address Parity detection, providing an additional layer of reliability by verifying the integrity of memory commands sent from the memory controller. This feature helps identify and prevent errors that could result from signal integrity issues between the memory controller and the DIMMs.

DDR4 technology incorporates On-Die Termination (ODT) that improves signal quality by reducing reflections on the memory bus. This feature becomes increasingly important at higher data rates and in configurations with multiple DIMMs per channel, maintaining signal integrity across varying load conditions.

ILO Advanced Integration

The HPE 809208-B21 seamlessly integrates with HPE Integrated Lights-Out (iLO) management technology, providing comprehensive health monitoring, performance metrics, and predictive failure analysis. Memory status, temperature, error statistics, and configuration information are accessible through iLO's web interface or remote management tools.

HPE InfoSight Predictive Analytics

For supported systems, HPE InfoSight provides AI-driven analytics that can identify potential memory issues before they impact operations. The platform analyzes patterns across thousands of systems worldwide to detect anomalies and provide proactive recommendations for maintenance or configuration adjustments.

Proper operation of the HPE 809208-B21 requires compatible system firmware. HPE provides regular updates to system ROMs that include memory reference code improvements, compatibility enhancements, and performance optimizations. The HPE Support Center offers comprehensive compatibility matrices and firmware update tools.

HPE's Smart Update Manager simplifies the process of maintaining current firmware levels across server infrastructure. The tool automatically identifies required updates for optimal memory performance and compatibility, ensuring systems operate with validated firmware versions that support all memory features and capabilities.

Deployment Scenarios and Use Cases

Data Center Infrastructure

In virtualized environments, the HPE 809208-B21 enables substantial virtual machine density by providing large memory pools in a compact form factor. A single server equipped with these modules can host hundreds of virtual machines or memory-intensive applications, consolidating workloads and improving resource utilization.

In-Memory Computing Platforms

Modern in-memory computing platforms require substantial, high-performance memory to process large datasets entirely in RAM. The 128GB capacity and 2400MHz speed of these modules make them ideal for SAP HANA, Oracle Database In-Memory, and other in-memory processing solutions where performance directly correlates with memory bandwidth and capacity.

High-Performance Computing

In HPC environments, the balance of capacity and speed provided by the HPE 809208-B21 supports complex computational workloads including scientific simulations, engineering analysis, and research applications. The ECC protection ensures computational accuracy while the registered architecture maintains stability in fully-populated systems.

For public and private cloud deployments, these memory modules provide the density and reliability required for multi-tenant environments. The ability to configure systems with large memory capacities using fewer DIMMs simplifies spare parts inventory while providing the performance isolation and consistency expected in cloud services.

HPE offers optional Proactive Care services that include enhanced support for memory-related issues, configuration assistance, and proactive notification of potential compatibility concerns. These services extend beyond standard warranty coverage to provide comprehensive support for critical infrastructure.